`P55.0` Rh isoimmunization of newborn

Billable ICD-10-CM code, FY2026.

Risk adjustment (HCC)

Defines the logic of DRG(s) 794 in MDC 15.

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.-)")

Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) › newborn › due to › Rh (antibodies, isoimmunization, maternal/fetal incompatibility)
Antibodies, maternal (blood group) › anti-D › newborn
Disease, diseased › hemolytic (newborn) › due to or with › incompatibility › Rh (blood group) (factor)
Disease, diseased › hemolytic (newborn) › due to or with › Rh negative mother
Erythroblastosis (fetalis) (newborn) › due to › Rh (antibodies) (incompatibility) (isoimmunization)
Icterus › gravis, newborn
Incompatibility › Rh (blood group) (factor) › newborn
Isoimmunization NEC › newborn › Rhesus (Rh) factor
Jaundice (yellow) › newborn › due to or associated with › hemolytic disease › Rh isoimmunization
Jaundice (yellow) › newborn › due to or associated with › Rh › antibodies
Jaundice (yellow) › newborn › due to or associated with › Rh › incompatibility, maternal/fetal
Jaundice (yellow) › newborn › due to or associated with › Rh › isoimmunization
Rh (factor) › hemolytic disease (newborn)
Rh (factor) › incompatibility, immunization or sensitization › newborn
Rh (factor) › negative mother affecting newborn