P55.8 Other hemolytic diseases of newborn

Billable ICD-10-CM code, FY2026.

Risk adjustment (HCC)

• CMS-HCC V28: HCC 109 — Acquired Hemolytic, Aplastic, and Sideroblastic Anemias

MS-DRG index

Defines the logic of DRG(s) 791 in MDC 15.

Approximate ICD-9-CM (GEMs)

• 773.2 Hemolytic disease of fetus or newborn due to other and unspecified isoimmunization (approximate)

Code annotations containing back-references to P55.8

Back-references to P55

• Type 1 Excludes: D58 Other hereditary hemolytic anemias ("hemolytic anemia of the newborn (P55.-)")
• Type 2 Excludes: D59.1 Other autoimmune hemolytic anemias ("hemolytic disease of newborn (P55.-)")
• Type 1 Excludes: K72 Hepatic failure, not elsewhere classified ("icterus of newborn (P55-P59)")
• Code Also: K76.82 Hepatic encephalopathy ("icterus of newborn (P55-P59)")
• Type 1 Excludes: P58 Neonatal jaundice due to other excessive hemolysis ("jaundice due to isoimmunization (P55-P57)")
• Type 1 Excludes: R17 Unspecified jaundice ("neonatal jaundice (P55, P57-P59)")
• Type 1 Excludes: R71 Abnormality of red blood cells ("newborn anemia due to isoimmunization (P55.-)")
• Type 1 Excludes: R76.0 Raised antibody titer ("isoimmunization affecting newborn (P55.-)")

Diagnosis Index entries for P55.8

• Disease, diseased › hemolytic (newborn) › due to or with › incompatibility › blood (group) (Duffy) (K) (Kell) (Kidd) (Lewis) (M) (S) NEC
• Disease, diseased › hemolytic (newborn) › specified type NEC
• Incompatibility › blood (group) (Duffy) (K) (Kell) (Kidd) (Lewis) (M) (S) NEC › newborn
• Isoimmunization NEC › newborn › specified type NEC
• Jaundice (yellow) › newborn › due to or associated with › hemolytic disease › specified NEC

Nearby codes

• P55 Hemolytic disease of newborn
• P55.0 Rh isoimmunization of newborn
• P55.1 ABO isoimmunization of newborn
• P55.8 Other hemolytic diseases of newborn (this code)
• P55.9 Hemolytic disease of newborn, unspecified