C83.31: Diffuse large B-cell lymphoma, lymph nodes of head, face, and neck
C83.31 is a billable, specific ICD-10-CM code for diffuse large b-cell lymphoma, lymph nodes of head, face, and neck. It is valid for submission on a claim.
Check C83.31 with the rest of the claim: free scrubberExcludes1 inherited from the categories above C83.31
A category’s note binds every code beneath it.
Written on C83.3: Diffuse large B-cell lymphoma
Risk adjustment
C83.31 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. Look up the whole chart to see which of its HCCs the hierarchy would zero.
Medicare coverage
C83.31 is named in 60 Medicare coverage policies: 60 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
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Code history
Unchanged in every release from FY2024 to FY2027.
Other codes under C83.3
- C83.30Diffuse large B-cell lymphoma, unspecified site
- C83.32Diffuse large B-cell lymphoma, intrathoracic lymph nodes
- C83.33Diffuse large B-cell lymphoma, intra-abdominal lymph nodes
- C83.34Diffuse large B-cell lymphoma, lymph nodes of axilla and upper limb
- C83.35Diffuse large B-cell lymphoma, lymph nodes of inguinal region and lower limb
- C83.36Diffuse large B-cell lymphoma, intrapelvic lymph nodes
- C83.37Diffuse large B-cell lymphoma, spleen
- C83.38Diffuse large B-cell lymphoma, lymph nodes of multiple sites
- C83.39Diffuse large B-cell lymphoma, extranodal and solid organ sites
- C83.3ADiffuse large B-cell lymphoma, in remission