ICD-10-CM 2027
ICD-10 code for Hematopoiesis
From the official ICD-10-CM alphabetic index entry “Hematopoiesis, cyclic”. Page updated September 29, 2026.
About coding Hematopoiesis
The ICD-10-CM code for Hematopoiesis is D70.4 (Cyclic neutropenia).
Within D70 (neutropenia), D70.4 is specifically for Cyclic neutropenia. Related codes cover congenital agranulocytosis (D70.0), agranulocytosis secondary to cancer chemotherapy (D70.1), other drug-induced agranulocytosis (D70.2), due to infection (D70.3), other neutropenia (D70.8) and unspecified (D70.9).
Use an additional code for any associated: fever (R50.81).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
Common questions about Hematopoiesis ICD-10 codes
What is the ICD-10 code for Hematopoiesis?
- D70.4 — Cyclic neutropenia.
Is D70.4 billable?
- Yes. D70.4 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can D70.4 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict D70.4 as a principal diagnosis.
Is D70.4 a CC or MCC?
- No. D70.4 is neither a CC nor an MCC under MS-DRG v44.0.