Is C71.5 a billable ICD-10-CM code?

Yes. C71.5 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does C71.5 sit in the tabular list?

Neoplasms (C00-D49), in the block Malignant neoplasms of eye, brain and other parts of central nervous system (C69-C72).

What cannot be coded together with C71.5?

C71.5 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

C71.5

C71.5 — Malignant neoplasm of cerebral ventricle

Billable / specific codeICD-10-CM

C71.5 is a billable, specific ICD-10-CM code for malignant neoplasm of cerebral ventricle. It is valid for submission on a claim.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

malignant neoplasm of fourth cerebral ventricle (C71.7)

Risk adjustment

C71.5 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

C71.5 is named in 91 Medicare coverage policies — 91 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A52370Billing and Coding: Bevacizumab and biosimilars
A52450Billing and Coding: Paclitaxel (e.g., Taxol®/Abraxane ™)
A52479Oral Anticancer Drugs - Policy Article
A52479Oral Anticancer Drugs - Policy Article

How C71.5 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 C71.5.

Papilloma›choroid plexus›anaplastic
Papilloma›choroid plexus›malignant

Related codes at this level

Codes that share C71. If C71.5 is not quite right, the correct code is usually one of these.

Questions about C71.5

Is C71.5 a billable ICD-10-CM code?: Yes. C71.5 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does C71.5 sit in the tabular list?: Neoplasms (C00-D49), in the block Malignant neoplasms of eye, brain and other parts of central nervous system (C69-C72).
What cannot be coded together with C71.5?: C71.5 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.