CPT J1299: ICD-10 codes that support medical necessity
These ICD-10-CM diagnoses support medical necessity for CPT J1299 under Medicare coverage policies (LCDs, NCDs, and Billing & Coding articles). Billing CPT J1299 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 |
|---|---|
| D59.31 | Infection-associated hemolytic-uremic syndrome |
| D59.32 | Hereditary hemolytic-uremic syndrome |
| D59.39 | Other hemolytic-uremic syndrome |
| D59.5 | Paroxysmal nocturnal hemoglobinuria [Marchiafava-Micheli] |
| G36.0 | Neuromyelitis optica [Devic] |
| G70.00 | Myasthenia gravis without (acute) exacerbation |
| G70.01 | Myasthenia gravis with (acute) exacerbation |
| N00.6 | Acute nephritic syndrome with dense deposit disease |
| N00.B1 | Acute nephritic syndrome with idiopathic immune membranoproliferative glomerulonephritis (IC-MPGN) |
| N00.B2 | Acute nephritic syndrome with secondary immune complex membranoproliferative glomerulonephritis (IC-MPGN) |
| N01.6 | Rapidly progressive nephritic syndrome with dense deposit disease |
| N02.6 | Recurrent and persistent hematuria with dense deposit disease |
| N03.6 | Chronic nephritic syndrome with dense deposit disease |
| N04.6 | Nephrotic syndrome with dense deposit disease |
| N04.B1 | Nephrotic syndrome with idiopathic immune complex membranoproliferative glomerulonephritis (IC-MPGN) |
| N04.B2 | Nephrotic syndrome with secondary immune complex membranoproliferative glomerulonephritis (IC-MPGN) |
| N07.6 | Hereditary nephropathy, not elsewhere classified with dense deposit disease |
| T86.19 | Other complication of kidney transplant |
Frequently asked questions
Which ICD-10 codes support medical necessity for CPT J1299?
Medicare coverage policies (LCDs/NCDs and Billing & Coding articles) list 18 ICD-10 diagnosis codes that support medical necessity for CPT J1299. 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 J1299 view of that relationship.
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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