ICD↔CPT crosswalk
CPT 92556: ICD-10 codes that support medical necessity
These ICD-10-CM diagnoses support medical necessity for CPT 92556 under Medicare coverage policies (LCDs, NCDs, and Billing & Coding articles). Billing CPT 92556 with a diagnosis that isn't covered typically denies as CARC 50 — not medically necessary.
National approximation. Coverage varies by MAC and state — confirm against the specific LCD/NCD and article that applies to your jurisdiction and date of service.
| ICD-10 | Description |
|---|---|
| C71.6 | Malignant neoplasm of cerebellum |
| D33.1 | Benign neoplasm of brain, infratentorial |
| D33.3 | Benign neoplasm of cranial nerves |
| D43.1 | Neoplasm of uncertain behavior of brain, infratentorial |
| F44.4 | Conversion disorder with motor symptom or deficit |
| F44.6 | Conversion disorder with sensory symptom or deficit |
| F44.7 | Conversion disorder with mixed symptom presentation |
| F44.9 | Dissociative and conversion disorder, unspecified |
| F70 | Mild intellectual disabilities |
| F71 | Moderate intellectual disabilities |
| F72 | Severe intellectual disabilities |
| F73 | Profound intellectual disabilities |
| F78.A9 | Other genetic related intellectual disability |
| F79 | Unspecified intellectual disabilities |
| G10 | Huntington's disease |
| G21.0 | Malignant neuroleptic syndrome |
| G23.0 | Hallervorden-Spatz disease |
| G23.1 | Progressive supranuclear ophthalmoplegia [Steele-Richardson-Olszewski] |
| G23.2 | Striatonigral degeneration |
| G23.8 | Other specified degenerative diseases of basal ganglia |
| G23.9 | Degenerative disease of basal ganglia, unspecified |
| G24.01 | Drug induced subacute dyskinesia |
| G24.02 | Drug induced acute dystonia |
| G24.09 | Other drug induced dystonia |
| G24.1 | Genetic torsion dystonia |
| G24.2 | Idiopathic nonfamilial dystonia |
| G24.3 | Spasmodic torticollis |
| G24.4 | Idiopathic orofacial dystonia |
| G24.5 | Blepharospasm |
| G24.8 | Other dystonia |
| G24.9 | Dystonia, unspecified |
| G25.0 | Essential tremor |
| G25.1 | Drug-induced tremor |
| G25.2 | Other specified forms of tremor |
| G25.3 | Myoclonus |
| G25.4 | Drug-induced chorea |
| G25.5 | Other chorea |
| G25.61 | Drug induced tics |
| G25.69 | Other tics of organic origin |
| G25.70 | Drug induced movement disorder, unspecified |
| G25.71 | Drug induced akathisia |
| G25.79 | Other drug induced movement disorders |
| G25.81 | Restless legs syndrome |
| G25.82 | Stiff-man syndrome |
| G25.83 | Benign shuddering attacks |
| G25.89 | Other specified extrapyramidal and movement disorders |
| G26 | Extrapyramidal and movement disorders in diseases classified elsewhere |
| G35.A | Relapsing-remitting multiple sclerosis |
| G35.B0 | Primary progressive multiple sclerosis, unspecified |
| G35.B1 | Active primary progressive multiple sclerosis |
| G35.B2 | Non-active primary progressive multiple sclerosis |
| G35.C0 | Secondary progressive multiple sclerosis, unspecified |
| G35.C1 | Active secondary progressive multiple sclerosis |
| G35.C2 | Non-active secondary progressive multiple sclerosis |
| G35.D | Multiple sclerosis, unspecified |
| G36.0 | Neuromyelitis optica [Devic] |
| G36.1 | Acute and subacute hemorrhagic leukoencephalitis [Hurst] |
| G36.8 | Other specified acute disseminated demyelination |
| G37.0 | Diffuse sclerosis of central nervous system |
| G37.1 | Central demyelination of corpus callosum |
| G37.2 | Central pontine myelinolysis |
| G37.3 | Acute transverse myelitis in demyelinating disease of central nervous system |
| G37.4 | Subacute necrotizing myelitis of central nervous system |
| G37.5 | Concentric sclerosis [Balo] of central nervous system |
| G37.89 | Other specified demyelinating diseases of central nervous system |
| G37.9 | Demyelinating disease of central nervous system, unspecified |
| G80.3 | Athetoid cerebral palsy |
| G90.3 | Multi-system degeneration of the autonomic nervous system |
| H46.00 | Optic papillitis, unspecified eye |
| H46.01 | Optic papillitis, right eye |
| H46.02 | Optic papillitis, left eye |
| H46.03 | Optic papillitis, bilateral |
| H46.10 | Retrobulbar neuritis, unspecified eye |
| H46.11 | Retrobulbar neuritis, right eye |
| H46.12 | Retrobulbar neuritis, left eye |
| H46.13 | Retrobulbar neuritis, bilateral |
| H46.2 | Nutritional optic neuropathy |
| H46.3 | Toxic optic neuropathy |
| H46.8 | Other optic neuritis |
| H46.9 | Unspecified optic neuritis |
| H65.01 | Acute serous otitis media, right ear |
| H65.02 | Acute serous otitis media, left ear |
| H65.03 | Acute serous otitis media, bilateral |
| H65.04 | Acute serous otitis media, recurrent, right ear |
| H65.05 | Acute serous otitis media, recurrent, left ear |
| H65.06 | Acute serous otitis media, recurrent, bilateral |
| H65.111 | Acute and subacute allergic otitis media (mucoid) (sanguinous) (serous), right ear |
| H65.112 | Acute and subacute allergic otitis media (mucoid) (sanguinous) (serous), left ear |
| H65.113 | Acute and subacute allergic otitis media (mucoid) (sanguinous) (serous), bilateral |
| H65.114 | Acute and subacute allergic otitis media (mucoid) (sanguinous) (serous), recurrent, right ear |
| H65.115 | Acute and subacute allergic otitis media (mucoid) (sanguinous) (serous), recurrent, left ear |
| H65.116 | Acute and subacute allergic otitis media (mucoid) (sanguinous) (serous), recurrent, bilateral |
| H65.191 | Other acute nonsuppurative otitis media, right ear |
| H65.192 | Other acute nonsuppurative otitis media, left ear |
| H65.193 | Other acute nonsuppurative otitis media, bilateral |
| H65.194 | Other acute nonsuppurative otitis media, recurrent, right ear |
| H65.195 | Other acute nonsuppurative otitis media, recurrent, left ear |
| H65.196 | Other acute nonsuppurative otitis media, recurrent, bilateral |
| H65.21 | Chronic serous otitis media, right ear |
| H65.22 | Chronic serous otitis media, left ear |
| H65.23 | Chronic serous otitis media, bilateral |
| H65.31 | Chronic mucoid otitis media, right ear |
| H65.32 | Chronic mucoid otitis media, left ear |
| H65.33 | Chronic mucoid otitis media, bilateral |
| H65.411 | Chronic allergic otitis media, right ear |
| H65.412 | Chronic allergic otitis media, left ear |
| H65.413 | Chronic allergic otitis media, bilateral |
| H65.491 | Other chronic nonsuppurative otitis media, right ear |
| H65.492 | Other chronic nonsuppurative otitis media, left ear |
| H65.493 | Other chronic nonsuppurative otitis media, bilateral |
| H65.91 | Unspecified nonsuppurative otitis media, right ear |
| H65.92 | Unspecified nonsuppurative otitis media, left ear |
| H65.93 | Unspecified nonsuppurative otitis media, bilateral |
| H66.001 | Acute suppurative otitis media without spontaneous rupture of ear drum, right ear |
| H66.002 | Acute suppurative otitis media without spontaneous rupture of ear drum, left ear |
| H66.003 | Acute suppurative otitis media without spontaneous rupture of ear drum, bilateral |
| H66.004 | Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, right ear |
| H66.005 | Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, left ear |
| H66.006 | Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, bilateral |
| H66.007 | Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, unspecified ear |
| H66.011 | Acute suppurative otitis media with spontaneous rupture of ear drum, right ear |
| H66.012 | Acute suppurative otitis media with spontaneous rupture of ear drum, left ear |
| H66.013 | Acute suppurative otitis media with spontaneous rupture of ear drum, bilateral |
| H66.014 | Acute suppurative otitis media with spontaneous rupture of ear drum, recurrent, right ear |
| H66.015 | Acute suppurative otitis media with spontaneous rupture of ear drum, recurrent, left ear |
| H66.016 | Acute suppurative otitis media with spontaneous rupture of ear drum, recurrent, bilateral |
| H66.11 | Chronic tubotympanic suppurative otitis media, right ear |
| H66.12 | Chronic tubotympanic suppurative otitis media, left ear |
| H66.13 | Chronic tubotympanic suppurative otitis media, bilateral |
| H66.21 | Chronic atticoantral suppurative otitis media, right ear |
| H66.22 | Chronic atticoantral suppurative otitis media, left ear |
| H66.23 | Chronic atticoantral suppurative otitis media, bilateral |
| H66.3X1 | Other chronic suppurative otitis media, right ear |
| H66.3X2 | Other chronic suppurative otitis media, left ear |
| H66.3X3 | Other chronic suppurative otitis media, bilateral |
| H66.41 | Suppurative otitis media, unspecified, right ear |
| H66.42 | Suppurative otitis media, unspecified, left ear |
| H66.43 | Suppurative otitis media, unspecified, bilateral |
| H66.91 | Otitis media, unspecified, right ear |
| H66.92 | Otitis media, unspecified, left ear |
| H66.93 | Otitis media, unspecified, bilateral |
| H67.1 | Otitis media in diseases classified elsewhere, right ear |
| H67.2 | Otitis media in diseases classified elsewhere, left ear |
| H67.3 | Otitis media in diseases classified elsewhere, bilateral |
| H68.001 | Unspecified Eustachian salpingitis, right ear |
| H68.002 | Unspecified Eustachian salpingitis, left ear |
| H68.003 | Unspecified Eustachian salpingitis, bilateral |
| H68.011 | Acute Eustachian salpingitis, right ear |
| H68.012 | Acute Eustachian salpingitis, left ear |
| H68.013 | Acute Eustachian salpingitis, bilateral |
| H68.021 | Chronic Eustachian salpingitis, right ear |
| H68.022 | Chronic Eustachian salpingitis, left ear |
| H68.023 | Chronic Eustachian salpingitis, bilateral |
| H68.101 | Unspecified obstruction of Eustachian tube, right ear |
| H68.102 | Unspecified obstruction of Eustachian tube, left ear |
| H68.103 | Unspecified obstruction of Eustachian tube, bilateral |
| H68.111 | Osseous obstruction of Eustachian tube, right ear |
| H68.112 | Osseous obstruction of Eustachian tube, left ear |
| H68.113 | Osseous obstruction of Eustachian tube, bilateral |
| H68.121 | Intrinsic cartilagenous obstruction of Eustachian tube, right ear |
| H68.122 | Intrinsic cartilagenous obstruction of Eustachian tube, left ear |
| H68.123 | Intrinsic cartilagenous obstruction of Eustachian tube, bilateral |
| H68.131 | Extrinsic cartilagenous obstruction of Eustachian tube, right ear |
| H68.132 | Extrinsic cartilagenous obstruction of Eustachian tube, left ear |
| H68.133 | Extrinsic cartilagenous obstruction of Eustachian tube, bilateral |
| H69.01 | Patulous Eustachian tube, right ear |
| H69.02 | Patulous Eustachian tube, left ear |
| H69.03 | Patulous Eustachian tube, bilateral |
| H69.81 | Other specified disorders of Eustachian tube, right ear |
| H69.82 | Other specified disorders of Eustachian tube, left ear |
| H69.83 | Other specified disorders of Eustachian tube, bilateral |
| H69.91 | Unspecified Eustachian tube disorder, right ear |
| H69.92 | Unspecified Eustachian tube disorder, left ear |
| H69.93 | Unspecified Eustachian tube disorder, bilateral |
| H71.01 | Cholesteatoma of attic, right ear |
| H71.02 | Cholesteatoma of attic, left ear |
| H71.03 | Cholesteatoma of attic, bilateral |
| H71.11 | Cholesteatoma of tympanum, right ear |
| H71.12 | Cholesteatoma of tympanum, left ear |
| H71.13 | Cholesteatoma of tympanum, bilateral |
| H71.21 | Cholesteatoma of mastoid, right ear |
| H71.22 | Cholesteatoma of mastoid, left ear |
| H71.23 | Cholesteatoma of mastoid, bilateral |
| H71.31 | Diffuse cholesteatosis, right ear |
| H71.32 | Diffuse cholesteatosis, left ear |
| H71.33 | Diffuse cholesteatosis, bilateral |
| H71.91 | Unspecified cholesteatoma, right ear |
| H71.92 | Unspecified cholesteatoma, left ear |
| H71.93 | Unspecified cholesteatoma, bilateral |
| H72.01 | Central perforation of tympanic membrane, right ear |
| H72.02 | Central perforation of tympanic membrane, left ear |
| H72.03 | Central perforation of tympanic membrane, bilateral |
| H72.11 | Attic perforation of tympanic membrane, right ear |
| H72.12 | Attic perforation of tympanic membrane, left ear |
| H72.13 | Attic perforation of tympanic membrane, bilateral |
| H72.2X1 | Other marginal perforations of tympanic membrane, right ear |
| H72.2X2 | Other marginal perforations of tympanic membrane, left ear |
| H72.2X3 | Other marginal perforations of tympanic membrane, bilateral |
| H72.811 | Multiple perforations of tympanic membrane, right ear |
| H72.812 | Multiple perforations of tympanic membrane, left ear |
| H72.813 | Multiple perforations of tympanic membrane, bilateral |
| H72.821 | Total perforations of tympanic membrane, right ear |
| H72.822 | Total perforations of tympanic membrane, left ear |
| H72.823 | Total perforations of tympanic membrane, bilateral |
| H72.91 | Unspecified perforation of tympanic membrane, right ear |
| H72.92 | Unspecified perforation of tympanic membrane, left ear |
| H72.93 | Unspecified perforation of tympanic membrane, bilateral |
| H74.01 | Tympanosclerosis, right ear |
| H74.02 | Tympanosclerosis, left ear |
| H74.03 | Tympanosclerosis, bilateral |
| H74.11 | Adhesive right middle ear disease |
| H74.12 | Adhesive left middle ear disease |
| H74.13 | Adhesive middle ear disease, bilateral |
| H74.21 | Discontinuity and dislocation of right ear ossicles |
| H74.22 | Discontinuity and dislocation of left ear ossicles |
| H74.23 | Discontinuity and dislocation of ear ossicles, bilateral |
| H74.311 | Ankylosis of ear ossicles, right ear |
| H74.312 | Ankylosis of ear ossicles, left ear |
| H74.313 | Ankylosis of ear ossicles, bilateral |
| H80.11 | Otosclerosis involving oval window, obliterative, right ear |
| H80.12 | Otosclerosis involving oval window, obliterative, left ear |
| H80.13 | Otosclerosis involving oval window, obliterative, bilateral |
| H81.01 | Meniere's disease, right ear |
| H81.02 | Meniere's disease, left ear |
| H81.03 | Meniere's disease, bilateral |
| H81.09 | Meniere's disease, unspecified ear |
| H81.10 | Benign paroxysmal vertigo, unspecified ear |
| H81.11 | Benign paroxysmal vertigo, right ear |
| H81.12 | Benign paroxysmal vertigo, left ear |
| H81.13 | Benign paroxysmal vertigo, bilateral |
| H81.20 | Vestibular neuronitis, unspecified ear |
| H81.21 | Vestibular neuronitis, right ear |
| H81.22 | Vestibular neuronitis, left ear |
| H81.23 | Vestibular neuronitis, bilateral |
| H81.311 | Aural vertigo, right ear |
| H81.312 | Aural vertigo, left ear |
| H81.313 | Aural vertigo, bilateral |
| H81.319 | Aural vertigo, unspecified ear |
| H81.391 | Other peripheral vertigo, right ear |
| H81.392 | Other peripheral vertigo, left ear |
| H81.393 | Other peripheral vertigo, bilateral |
| H81.399 | Other peripheral vertigo, unspecified ear |
| H81.4 | Vertigo of central origin |
| H81.8X1 | Other disorders of vestibular function, right ear |
| H81.8X2 | Other disorders of vestibular function, left ear |
| H81.8X3 | Other disorders of vestibular function, bilateral |
| H81.8X9 | Other disorders of vestibular function, unspecified ear |
| H81.90 | Unspecified disorder of vestibular function, unspecified ear |
| H81.91 | Unspecified disorder of vestibular function, right ear |
| H81.92 | Unspecified disorder of vestibular function, left ear |
| H81.93 | Unspecified disorder of vestibular function, bilateral |
| H82.1 | Vertiginous syndromes in diseases classified elsewhere, right ear |
| H82.2 | Vertiginous syndromes in diseases classified elsewhere, left ear |
| H82.3 | Vertiginous syndromes in diseases classified elsewhere, bilateral |
| H82.9 | Vertiginous syndromes in diseases classified elsewhere, unspecified ear |
| H83.01 | Labyrinthitis, right ear |
| H83.02 | Labyrinthitis, left ear |
| H83.03 | Labyrinthitis, bilateral |
| H83.09 | Labyrinthitis, unspecified ear |
| H83.11 | Labyrinthine fistula, right ear |
| H83.12 | Labyrinthine fistula, left ear |
| H83.13 | Labyrinthine fistula, bilateral |
| H83.19 | Labyrinthine fistula, unspecified ear |
| H83.2X1 | Labyrinthine dysfunction, right ear |
| H83.2X2 | Labyrinthine dysfunction, left ear |
| H83.2X3 | Labyrinthine dysfunction, bilateral |
| H83.2X9 | Labyrinthine dysfunction, unspecified ear |
| H83.3X1 | Noise effects on right inner ear |
| H83.3X2 | Noise effects on left inner ear |
| H83.3X3 | Noise effects on inner ear, bilateral |
| H83.3X9 | Noise effects on inner ear, unspecified ear |
| H83.8X1 | Other specified diseases of right inner ear |
| H83.8X2 | Other specified diseases of left inner ear |
| H83.8X3 | Other specified diseases of inner ear, bilateral |
| H83.8X9 | Other specified diseases of inner ear, unspecified ear |
| H83.90 | Unspecified disease of inner ear, unspecified ear |
| H83.91 | Unspecified disease of right inner ear |
| H83.92 | Unspecified disease of left inner ear |
| H83.93 | Unspecified disease of inner ear, bilateral |
| H90.0 | Conductive hearing loss, bilateral |
| H90.11 | Conductive hearing loss, unilateral, right ear, with unrestricted hearing on the contralateral side |
| H90.12 | Conductive hearing loss, unilateral, left ear, with unrestricted hearing on the contralateral side |
| H90.2 | Conductive hearing loss, unspecified |
| H90.3 | Sensorineural hearing loss, bilateral |
| H90.41 | Sensorineural hearing loss, unilateral, right ear, with unrestricted hearing on the contralateral side |
| H90.42 | Sensorineural hearing loss, unilateral, left ear, with unrestricted hearing on the contralateral side |
| H90.5 | Unspecified sensorineural hearing loss |
| H90.6 | Mixed conductive and sensorineural hearing loss, bilateral |
| H90.71 | Mixed conductive and sensorineural hearing loss, unilateral, right ear, with unrestricted hearing on the contralateral side |
| H90.72 | Mixed conductive and sensorineural hearing loss, unilateral, left ear, with unrestricted hearing on the contralateral side |
| H90.8 | Mixed conductive and sensorineural hearing loss, unspecified |
| H90.A11 | Conductive hearing loss, unilateral, right ear with restricted hearing on the contralateral side |
| H90.A12 | Conductive hearing loss, unilateral, left ear with restricted hearing on the contralateral side |
| H90.A21 | Sensorineural hearing loss, unilateral, right ear, with restricted hearing on the contralateral side |
| H90.A22 | Sensorineural hearing loss, unilateral, left ear, with restricted hearing on the contralateral side |
| H90.A31 | Mixed conductive and sensorineural hearing loss, unilateral, right ear with restricted hearing on the contralateral side |
| H90.A32 | Mixed conductive and sensorineural hearing loss, unilateral, left ear with restricted hearing on the contralateral side |
| H91.01 | Ototoxic hearing loss, right ear |
| H91.02 | Ototoxic hearing loss, left ear |
| H91.03 | Ototoxic hearing loss, bilateral |
| H91.09 | Ototoxic hearing loss, unspecified ear |
| H91.10 | Presbycusis, unspecified ear |
| H91.11 | Presbycusis, right ear |
| H91.12 | Presbycusis, left ear |
| H91.13 | Presbycusis, bilateral |
| H91.20 | Sudden idiopathic hearing loss, unspecified ear |
| H91.21 | Sudden idiopathic hearing loss, right ear |
| H91.22 | Sudden idiopathic hearing loss, left ear |
| H91.23 | Sudden idiopathic hearing loss, bilateral |
| H91.3 | Deaf nonspeaking, not elsewhere classified |
| H91.8X1 | Other specified hearing loss, right ear |
| H91.8X2 | Other specified hearing loss, left ear |
| H91.8X3 | Other specified hearing loss, bilateral |
| H91.8X9 | Other specified hearing loss, unspecified ear |
| H91.90 | Unspecified hearing loss, unspecified ear |
| H91.91 | Unspecified hearing loss, right ear |
| H91.92 | Unspecified hearing loss, left ear |
| H91.93 | Unspecified hearing loss, bilateral |
| H93.011 | Transient ischemic deafness, right ear |
| H93.012 | Transient ischemic deafness, left ear |
| H93.013 | Transient ischemic deafness, bilateral |
| H93.019 | Transient ischemic deafness, unspecified ear |
| H93.091 | Unspecified degenerative and vascular disorders of right ear |
| H93.092 | Unspecified degenerative and vascular disorders of left ear |
| H93.093 | Unspecified degenerative and vascular disorders of ear, bilateral |
| H93.099 | Unspecified degenerative and vascular disorders of unspecified ear |
| H93.11 | Tinnitus, right ear |
| H93.12 | Tinnitus, left ear |
| H93.13 | Tinnitus, bilateral |
| H93.19 | Tinnitus, unspecified ear |
| H93.211 | Auditory recruitment, right ear |
| H93.212 | Auditory recruitment, left ear |
| H93.213 | Auditory recruitment, bilateral |
| H93.219 | Auditory recruitment, unspecified ear |
| H93.221 | Diplacusis, right ear |
| H93.222 | Diplacusis, left ear |
| H93.223 | Diplacusis, bilateral |
| H93.229 | Diplacusis, unspecified ear |
| H93.231 | Hyperacusis, right ear |
| H93.232 | Hyperacusis, left ear |
| H93.233 | Hyperacusis, bilateral |
| H93.239 | Hyperacusis, unspecified ear |
| H93.241 | Temporary auditory threshold shift, right ear |
| H93.242 | Temporary auditory threshold shift, left ear |
| H93.243 | Temporary auditory threshold shift, bilateral |
| H93.249 | Temporary auditory threshold shift, unspecified ear |
| H93.25 | Central auditory processing disorder |
| H93.291 | Other abnormal auditory perceptions, right ear |
| H93.292 | Other abnormal auditory perceptions, left ear |
| H93.293 | Other abnormal auditory perceptions, bilateral |
| H93.299 | Other abnormal auditory perceptions, unspecified ear |
| H93.3X1 | Disorders of right acoustic nerve |
| H93.3X2 | Disorders of left acoustic nerve |
| H93.3X3 | Disorders of bilateral acoustic nerves |
| H93.3X9 | Disorders of unspecified acoustic nerve |
| H93.90 | Unspecified disorder of ear, unspecified ear |
| H94.00 | Acoustic neuritis in infectious and parasitic diseases classified elsewhere, unspecified ear |
| H94.01 | Acoustic neuritis in infectious and parasitic diseases classified elsewhere, right ear |
| H94.02 | Acoustic neuritis in infectious and parasitic diseases classified elsewhere, left ear |
| H94.03 | Acoustic neuritis in infectious and parasitic diseases classified elsewhere, bilateral |
| R25.0 | Abnormal head movements |
| R25.1 | Tremor, unspecified |
| R25.2 | Cramp and spasm |
| R25.3 | Fasciculation |
| R25.8 | Other abnormal involuntary movements |
| R25.9 | Unspecified abnormal involuntary movements |
| R42 | Dizziness and giddiness |
| Z01.12 | Encounter for hearing conservation and treatment |
| Z01.818 | Encounter for other preprocedural examination |
| Z45.321 | Encounter for adjustment and management of cochlear device |
| Z51.11 | Encounter for antineoplastic chemotherapy |
| Z76.5 | Malingerer [conscious simulation] |
| Z79.2 | Long term (current) use of antibiotics |
Frequently asked questions
Which ICD-10 codes support medical necessity for CPT 92556?
Medicare coverage policies (LCDs/NCDs and Billing & Coding articles) list 373 ICD-10 diagnosis codes that support medical necessity for CPT 92556. The covered codes are listed on this page. Coverage varies by MAC/state — always confirm against the policy that applies to you.
What is a medical-necessity (LCD/NCD) crosswalk?
A claim whose procedure isn't supported by a covered diagnosis denies as "not medically necessary" (CARC 50). CMS coverage policies define which diagnoses justify a procedure; this page is the ICD-10 → CPT 92556 view of that relationship.
Catch medical-necessity denials before you bill. CareNiva scrubs claims against LCD/NCD coverage and flags unsupported diagnoses — in the same platform you run visits and billing.
More free billing tools: all crosswalks · NCCI edits · Medicare fees · denial codes
Informational only, not coding, billing, or legal advice. Based on CMS Medicare Coverage Database data; verify the current LCD/NCD for your MAC before billing.
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