Is P55 a billable ICD-10-CM code?

No. P55 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does P55 sit in the tabular list?

Certain conditions originating in the perinatal period (P00-P96), in the block Hemorrhagic and hematological disorders of newborn (P50-P61).

P55

P55 — Hemolytic disease of newborn

Non-billable headerICD-10-CM

P55 is a non-billable header ICD-10-CM code for hemolytic disease of newborn. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with P55

These codes carry an Excludes1 note pointing at P55. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading P55 alone.

P58Neonatal jaundice due to other excessive hemolysis
R17Unspecified jaundice
R71Abnormality of red blood cells
R76.0Raised antibody titer
D58Other hereditary hemolytic anemias
K72Hepatic failure, not elsewhere classified

Risk adjustment

P55 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead P55

4 child codes. Green means billable.

Questions about P55

Is P55 a billable ICD-10-CM code?: No. P55 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does P55 sit in the tabular list?: Certain conditions originating in the perinatal period (P00-P96), in the block Hemorrhagic and hematological disorders of newborn (P50-P61).