P55.9
P55.9: Hemolytic disease of newborn, unspecified
Billable / specific codeICD-10-CM
P55.9 is a billable, specific ICD-10-CM code for hemolytic disease of newborn, unspecified. It is valid for submission on a claim.
Check P55.9 with the rest of the claim: free scrubberOther codes that can never be billed with P55.9
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
P55.9 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 109 Acquired Hemolytic, Aplastic, and Sideroblastic Anemias1.144 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.
Alphabetic index entries that lead here
- Erythroblastosis(fetalis) (newborn)
- Disease, diseased›hemolytic(newborn)
- Isoimmunization NEC›newborn
- Anemia›congenital›due to isoimmunization NOS
- Anemia›erythroblastic›newborn
- Jaundice›newborn›due to or associated with›hemolytic disease
- Jaundice›newborn›due to or associated with›incompatibility, maternal/fetal NOS
- Jaundice›newborn›due to or associated with›isoimmunization NOS
Code history
Unchanged in every release from FY2024 to FY2027.