M99: Biomechanical lesions, not elsewhere classified

Codes under M99 (Biomechanical lesions, not elsewhere classified). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
M99.0	Segmental and somatic dysfunction	—
M99.00	Segmental and somatic dysfunction of head region	✓
M99.01	Segmental and somatic dysfunction of cervical region	✓
M99.1	Subluxation complex (vertebral)	—
M99.02	Segmental and somatic dysfunction of thoracic region	✓
M99.2	Subluxation stenosis of neural canal	—
M99.03	Segmental and somatic dysfunction of lumbar region	✓
M99.3	Osseous stenosis of neural canal	—
M99.04	Segmental and somatic dysfunction of sacral region	✓
M99.4	Connective tissue stenosis of neural canal	—
M99.05	Segmental and somatic dysfunction of pelvic region	✓
M99.5	Intervertebral disc stenosis of neural canal	—
M99.06	Segmental and somatic dysfunction of lower extremity	✓
M99.6	Osseous and subluxation stenosis of intervertebral foramina	—
M99.07	Segmental and somatic dysfunction of upper extremity	✓
M99.7	Connective tissue and disc stenosis of intervertebral foramina	—
M99.08	Segmental and somatic dysfunction of rib cage	✓
M99.8	Other biomechanical lesions	—
M99.09	Segmental and somatic dysfunction of abdomen and other regions	✓
M99.9	Biomechanical lesion, unspecified	✓
M99.10	Subluxation complex (vertebral) of head region	✓
M99.11	Subluxation complex (vertebral) of cervical region	✓
M99.12	Subluxation complex (vertebral) of thoracic region	✓
M99.13	Subluxation complex (vertebral) of lumbar region	✓
M99.14	Subluxation complex (vertebral) of sacral region	✓
M99.15	Subluxation complex (vertebral) of pelvic region	✓
M99.16	Subluxation complex (vertebral) of lower extremity	✓
M99.17	Subluxation complex (vertebral) of upper extremity	✓
M99.18	Subluxation complex (vertebral) of rib cage	✓
M99.19	Subluxation complex (vertebral) of abdomen and other regions	✓
M99.20	Subluxation stenosis of neural canal of head region	✓
M99.21	Subluxation stenosis of neural canal of cervical region	✓
M99.22	Subluxation stenosis of neural canal of thoracic region	✓
M99.23	Subluxation stenosis of neural canal of lumbar region	✓
M99.24	Subluxation stenosis of neural canal of sacral region	✓
M99.25	Subluxation stenosis of neural canal of pelvic region	✓
M99.26	Subluxation stenosis of neural canal of lower extremity	✓
M99.27	Subluxation stenosis of neural canal of upper extremity	✓
M99.28	Subluxation stenosis of neural canal of rib cage	✓
M99.29	Subluxation stenosis of neural canal of abdomen and other regions	✓
M99.30	Osseous stenosis of neural canal of head region	✓
M99.31	Osseous stenosis of neural canal of cervical region	✓
M99.32	Osseous stenosis of neural canal of thoracic region	✓
M99.33	Osseous stenosis of neural canal of lumbar region	✓
M99.34	Osseous stenosis of neural canal of sacral region	✓
M99.35	Osseous stenosis of neural canal of pelvic region	✓
M99.36	Osseous stenosis of neural canal of lower extremity	✓
M99.37	Osseous stenosis of neural canal of upper extremity	✓
M99.38	Osseous stenosis of neural canal of rib cage	✓
M99.39	Osseous stenosis of neural canal of abdomen and other regions	✓
M99.40	Connective tissue stenosis of neural canal of head region	✓
M99.41	Connective tissue stenosis of neural canal of cervical region	✓
M99.42	Connective tissue stenosis of neural canal of thoracic region	✓
M99.43	Connective tissue stenosis of neural canal of lumbar region	✓
M99.44	Connective tissue stenosis of neural canal of sacral region	✓
M99.45	Connective tissue stenosis of neural canal of pelvic region	✓
M99.46	Connective tissue stenosis of neural canal of lower extremity	✓
M99.47	Connective tissue stenosis of neural canal of upper extremity	✓
M99.48	Connective tissue stenosis of neural canal of rib cage	✓
M99.49	Connective tissue stenosis of neural canal of abdomen and other regions	✓
M99.50	Intervertebral disc stenosis of neural canal of head region	✓
M99.51	Intervertebral disc stenosis of neural canal of cervical region	✓
M99.52	Intervertebral disc stenosis of neural canal of thoracic region	✓
M99.53	Intervertebral disc stenosis of neural canal of lumbar region	✓
M99.54	Intervertebral disc stenosis of neural canal of sacral region	✓
M99.55	Intervertebral disc stenosis of neural canal of pelvic region	✓
M99.56	Intervertebral disc stenosis of neural canal of lower extremity	✓
M99.57	Intervertebral disc stenosis of neural canal of upper extremity	✓
M99.58	Intervertebral disc stenosis of neural canal of rib cage	✓
M99.59	Intervertebral disc stenosis of neural canal of abdomen and other regions	✓
M99.60	Osseous and subluxation stenosis of intervertebral foramina of head region	✓
M99.61	Osseous and subluxation stenosis of intervertebral foramina of cervical region	✓
M99.62	Osseous and subluxation stenosis of intervertebral foramina of thoracic region	✓
M99.63	Osseous and subluxation stenosis of intervertebral foramina of lumbar region	✓
M99.64	Osseous and subluxation stenosis of intervertebral foramina of sacral region	✓
M99.65	Osseous and subluxation stenosis of intervertebral foramina of pelvic region	✓
M99.66	Osseous and subluxation stenosis of intervertebral foramina of lower extremity	✓
M99.67	Osseous and subluxation stenosis of intervertebral foramina of upper extremity	✓
M99.68	Osseous and subluxation stenosis of intervertebral foramina of rib cage	✓
M99.69	Osseous and subluxation stenosis of intervertebral foramina of abdomen and other regions	✓
M99.70	Connective tissue and disc stenosis of intervertebral foramina of head region	✓
M99.71	Connective tissue and disc stenosis of intervertebral foramina of cervical region	✓
M99.72	Connective tissue and disc stenosis of intervertebral foramina of thoracic region	✓
M99.73	Connective tissue and disc stenosis of intervertebral foramina of lumbar region	✓
M99.74	Connective tissue and disc stenosis of intervertebral foramina of sacral region	✓
M99.75	Connective tissue and disc stenosis of intervertebral foramina of pelvic region	✓
M99.76	Connective tissue and disc stenosis of intervertebral foramina of lower extremity	✓
M99.77	Connective tissue and disc stenosis of intervertebral foramina of upper extremity	✓
M99.78	Connective tissue and disc stenosis of intervertebral foramina of rib cage	✓
M99.79	Connective tissue and disc stenosis of intervertebral foramina of abdomen and other regions	✓
M99.80	Other biomechanical lesions of head region	✓
M99.81	Other biomechanical lesions of cervical region	✓
M99.82	Other biomechanical lesions of thoracic region	✓
M99.83	Other biomechanical lesions of lumbar region	✓
M99.84	Other biomechanical lesions of sacral region	✓
M99.85	Other biomechanical lesions of pelvic region	✓
M99.86	Other biomechanical lesions of lower extremity	✓
M99.87	Other biomechanical lesions of upper extremity	✓
M99.88	Other biomechanical lesions of rib cage	✓
M99.89	Other biomechanical lesions of abdomen and other regions	✓

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