Is C23 a billable ICD-10-CM code?

Yes. C23 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does C23 sit in the tabular list?

Neoplasms (C00-D49), in the block Malignant neoplasms of digestive organs (C15-C26).

C23

C23 — Malignant neoplasm of gallbladder

Billable / specific codeICD-10-CM

C23 is a billable, specific ICD-10-CM code for malignant neoplasm of gallbladder. It is valid for submission on a claim.

Risk adjustment

C23 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

C23 is named in 65 Medicare coverage policies — 65 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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Questions about C23

Is C23 a billable ICD-10-CM code?: Yes. C23 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does C23 sit in the tabular list?: Neoplasms (C00-D49), in the block Malignant neoplasms of digestive organs (C15-C26).