C75.1 — Malignant neoplasm of pituitary gland
C75.1 is a billable, specific ICD-10-CM code for malignant neoplasm of pituitary gland. It is valid for submission on a claim.
Risk adjustment
C75.1 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
C75.1 is named in 64 Medicare coverage policies — 64 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52480Oral Antiemetic Drugs (Replacement for Intravenous Antiemetics) - Policy Article
- A53101Billing and Coding: MolDX: bioTheranostics Cancer TYPE ID® Update
- A54188Billing and Coding: MolDX: bioTheranostics Cancer TYPE ID®
- A54386Billing and Coding: MolDX: bioTheranostics Cancer TYPE ID® Update
How C75.1 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 C75.1.
- Adenocarcinoma›acidophil›unspecified site
- Adenocarcinoma›basophil›unspecified site
- Adenocarcinoma›chromophobe›unspecified site
- Adenocarcinoma›eosinophil›unspecified site
- Carcinoma›acidophil›unspecified site
- Carcinoma›acidophil-basophil, mixed›unspecified site
- Carcinoma›basophil›unspecified site
- Carcinoma›basophil-acidophil, mixed›unspecified site
- Carcinoma›chromophobe›unspecified site
- Carcinoma›eosinophil›unspecified site
- Adenocarcinoma›mucoid›cell›unspecified site
- Carcinoma›mucoid›cell›unspecified site
Related codes at this level
Codes that share C75. If C75.1 is not quite right, the correct code is usually one of these.
- C75.0Malignant neoplasm of parathyroid gland
- C75.2Malignant neoplasm of craniopharyngeal duct
- C75.3Malignant neoplasm of pineal gland
- C75.4Malignant neoplasm of carotid body
- C75.5Malignant neoplasm of aortic body and other paraganglia
- C75.8Malignant neoplasm with pluriglandular involvement, unspecified
- C75.9Malignant neoplasm of endocrine gland, unspecified
Questions about C75.1
- Is C75.1 a billable ICD-10-CM code?
- Yes. C75.1 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does C75.1 sit in the tabular list?
- Neoplasms (C00-D49), in the block Malignant neoplasms of thyroid and other endocrine glands (C73-C75).