O90.81 Anemia of the puerperium

Billable ICD-10-CM code, FY2026.

Applicable to

• Postpartum anemia NOS

Excludes1 (never code together)

• pre-existing anemia complicating the puerperium (O99.03)

MS-DRG index

Defines the logic of DRG(s) 769 in MDC 14.

Approximate ICD-9-CM (GEMs)

• 648.24 Anemia of mother, postpartum condition or complication (approximate)

Medicare Code Edits (MCE v43.1 (April 2026))

• Maternity diagnoses (age 9 through 64): Age conflict edit. These diagnoses are clinically expected only in patients age 9 through 64.

Code annotations containing back-references to O90.81

Back-references to O90.81

• Type 1 Excludes: O99.0 Anemia complicating pregnancy, childbirth and the puerperium ("anemia arising in the puerperium (O90.81)")
• Type 1 Excludes: O99.0 Anemia complicating pregnancy, childbirth and the puerperium ("postpartum anemia NOS (O90.81)")
• Type 1 Excludes: O99.03 Anemia complicating the puerperium ("postpartum anemia not pre-existing prior to delivery (O90.81)")

Diagnosis Index entries for O90.81

• Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) › postpartum
• Puerperal, puerperium (complicated by, complications) › anemia

Nearby codes

• O90.41 Hepatorenal syndrome following labor and delivery
• O90.49 Other postpartum acute kidney failure
• O90.5 Postpartum thyroiditis
• O90.6 Postpartum mood disturbance
• O90.8 Other complications of the puerperium, not elsewhere classified
• O90.81 Anemia of the puerperium (this code)
• O90.89 Other complications of the puerperium, not elsewhere classified
• O90.9 Complication of the puerperium, unspecified