D35.2 Benign neoplasm of pituitary gland

Billable ICD-10-CM code, FY2026.

Applies from D35 Benign neoplasm of other and unspecified endocrine glands

Excludes1 (never code together)

• benign neoplasm of endocrine pancreas (D13.7)
• benign neoplasm of ovary (D27.-)
• benign neoplasm of testis (D29.2.-)
• benign neoplasm of thymus (D15.0)

Use additional code

• code to identify any functional activity

Risk adjustment (HCC)

• CMS-HCC V28: HCC 23 — Prostate, Breast, and Other Cancers and Tumors
• CMS-HCC V22: HCC 12 — Breast, Prostate, and Other Cancers and Tumors
• RxHCC V08: HCC 22 — Prostate, Breast, Bladder, and Other Cancers and Tumors
• ESRD V24: HCC 12

MS-DRG index

Defines the logic of DRG(s) 643-645 in MDC 10.

Approximate ICD-9-CM (GEMs)

• 227.3 Benign neoplasm of pituitary gland and craniopharyngeal duct (approximate)

Diagnosis Index entries for D35.2

• Adenoma › acidophil › unspecified site
• Adenoma › acidophil-basophil, mixed › unspecified site
• Adenoma › basophil › unspecified site
• Adenoma › basophil-acidophil, mixed › unspecified site
• Adenoma › chromophobe › unspecified site
• Adenoma › eosinophil › unspecified site
• Adenoma › mucoid cell › unspecified site
• Prolactinoma › unspecified site

Nearby codes

• D35.0 Benign neoplasm of adrenal gland
• D35.00 Benign neoplasm of unspecified adrenal gland
• D35.01 Benign neoplasm of right adrenal gland
• D35.02 Benign neoplasm of left adrenal gland
• D35.1 Benign neoplasm of parathyroid gland
• D35.2 Benign neoplasm of pituitary gland (this code)
• D35.3 Benign neoplasm of craniopharyngeal duct
• D35.4 Benign neoplasm of pineal gland
• D35.5 Benign neoplasm of carotid body
• D35.6 Benign neoplasm of aortic body and other paraganglia
• D35.7 Benign neoplasm of other specified endocrine glands