ICD-10-CM 2027
ICD-10 code for Rathke's pouch tumor
From the official ICD-10-CM alphabetic index entry “Rathke's pouch tumor”. Page updated September 29, 2026.
About coding Rathke's pouch tumor
The ICD-10-CM code for Rathke's pouch tumor is D44.3 (Neoplasm of uncertain behavior of pituitary gland).
Within D44 (neoplasm of uncertain behavior of endocrine glands), D44.3 is specifically for neoplasm of uncertain behavior of pituitary gland. Related codes cover thyroid gland (D44.0), adrenal gland (D44.1), parathyroid gland (D44.2), craniopharyngeal duct (D44.4), pineal gland (D44.5), carotid body (D44.6), aortic body and other paraganglia (D44.7) and unspecified endocrine gland (D44.9).
Use an additional code to identify any functional activity.
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
Common questions about Rathke's pouch tumor ICD-10 codes
What is the ICD-10 code for Rathke's pouch tumor?
- D44.3 — Neoplasm of uncertain behavior of pituitary gland.
Is D44.3 billable?
- Yes. D44.3 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can D44.3 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict D44.3 as a principal diagnosis.
Is D44.3 a CC or MCC?
- No. D44.3 is neither a CC nor an MCC under MS-DRG v44.0.