C83.398 — Diffuse large B-cell lymphoma of other extranodal and solid organ sites
C83.398 is a billable, specific ICD-10-CM code for diffuse large b-cell lymphoma of other extranodal and solid organ sites. It is valid for submission on a claim.
Risk adjustment
C83.398 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 20 Lung and Other Severe Cancers1.136 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.
Medicare coverage
C83.398 is named in 63 Medicare coverage policies — 63 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
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How C83.398 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to C83.398.
- Lymphoma›diffuse large cell›extranodal and solid organ sites NEC
Related codes at this level
Codes that share C83.39. If C83.398 is not quite right, the correct code is usually one of these.
Questions about C83.398
- Is C83.398 a billable ICD-10-CM code?
- Yes. C83.398 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does C83.398 sit in the tabular list?
- Neoplasms (C00-D49), in the block Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96).