Is C84.9A a billable ICD-10-CM code?

Yes. C84.9A is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does C84.9A sit in the tabular list?

Neoplasms (C00-D49), in the block Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96).

C84.9A

C84.9A — Mature T/NK-cell lymphomas, unspecified, in remission

Billable / specific codeICD-10-CM

C84.9A is a billable, specific ICD-10-CM code for mature t/nk-cell lymphomas, unspecified, in remission. It is valid for submission on a claim.

Risk adjustment

C84.9A 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

C84.9A is named in 20 Medicare coverage policies — 20 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

Related codes at this level

Codes that share C84.9. If C84.9A is not quite right, the correct code is usually one of these.

Questions about C84.9A

Is C84.9A a billable ICD-10-CM code?: Yes. C84.9A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does C84.9A sit in the tabular list?: Neoplasms (C00-D49), in the block Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96).