C82.40 — Follicular lymphoma grade IIIb, unspecified site
C82.40 is a billable, specific ICD-10-CM code for follicular lymphoma grade iiib, unspecified site. It is valid for submission on a claim.
Excludes1 inherited from the categories above C82.40
These are not written on C82.40, but they bind it: a note on a category applies to every code beneath it. Billing C82.40 with anything listed here is a denial.
Risk adjustment
C82.40 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 21 Lymphoma and Other Cancers0.671 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
C82.40 is named in 53 Medicare coverage policies — 53 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52479Oral Anticancer Drugs - Policy Article
- A52479Oral Anticancer Drugs - Policy Article
- A52479Oral Anticancer Drugs - Policy Article
- A52479Oral Anticancer Drugs - Policy Article
Code history
C82.40 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.
Related codes at this level
Codes that share C82.4. If C82.40 is not quite right, the correct code is usually one of these.
- C82.41Follicular lymphoma grade IIIb, lymph nodes of head, face, and neck
- C82.42Follicular lymphoma grade IIIb, intrathoracic lymph nodes
- C82.43Follicular lymphoma grade IIIb, intra-abdominal lymph nodes
- C82.44Follicular lymphoma grade IIIb, lymph nodes of axilla and upper limb
- C82.45Follicular lymphoma grade IIIb, lymph nodes of inguinal region and lower limb
- C82.46Follicular lymphoma grade IIIb, intrapelvic lymph nodes
- C82.47Follicular lymphoma grade IIIb, spleen
- C82.48Follicular lymphoma grade IIIb, lymph nodes of multiple sites
- C82.49Follicular lymphoma grade IIIb, extranodal and solid organ sites
- C82.4AFollicular lymphoma grade IIIb, in remission
Questions about C82.40
- Is C82.40 a billable ICD-10-CM code?
- Yes. C82.40 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does C82.40 sit in the tabular list?
- Neoplasms (C00-D49), in the block Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96).
- What cannot be coded together with C82.40?
- C82.40 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above C82.40 (C82) and apply to it just the same.