Is P81 a billable ICD-10-CM code?

No. P81 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does P81 sit in the tabular list?

Certain conditions originating in the perinatal period (P00-P96), in the block Conditions involving the integument and temperature regulation of newborn (P80-P83).

P81

P81 — Other disturbances of temperature regulation of newborn

Non-billable headerICD-10-CM

P81 is a non-billable header ICD-10-CM code for other disturbances of temperature regulation 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 P81

These codes carry an Excludes1 note pointing at P81. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading P81 alone.

R50Fever of other and unknown origin

Risk adjustment

P81 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 P81

3 child codes. Green means billable.

Questions about P81

Is P81 a billable ICD-10-CM code?: No. P81 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does P81 sit in the tabular list?: Certain conditions originating in the perinatal period (P00-P96), in the block Conditions involving the integument and temperature regulation of newborn (P80-P83).