ICD-10-CM 2027
ICD-10 code for postpartum hypopituitarism
Endocrine, nutritional and metabolic diseases complicating the puerperium
From the official ICD-10-CM alphabetic index entry “Hypopituitarism (juvenile) › postpartum”. Page updated September 29, 2026.
About coding postpartum hypopituitarism
The ICD-10-CM code for postpartum hypopituitarism is O99.285 (Endocrine, nutritional and metabolic diseases complicating the puerperium).
Within O99.28 (other endocrine, nutritional and metabolic diseases complicating pregnancy, childbirth and the puerperium), O99.285 is specifically for endocrine, nutritional and metabolic diseases complicating the puerperium. Related codes cover pregnancy, unspecified trimester (O99.280), pregnancy, first trimester (O99.281), pregnancy, second trimester (O99.282), pregnancy, third trimester (O99.283) and childbirth (O99.284).
Use an additional code to identify specific condition.
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
Common questions about postpartum hypopituitarism ICD-10 codes
What is the ICD-10 code for postpartum hypopituitarism?
- O99.285 — Endocrine, nutritional and metabolic diseases complicating the puerperium.
Is O99.285 billable?
- Yes. O99.285 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can O99.285 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict O99.285 as a principal diagnosis.
Is O99.285 a CC or MCC?
- No. O99.285 is neither a CC nor an MCC under MS-DRG v44.0.