Is P05 a billable ICD-10-CM code?

No. P05 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does P05 sit in the tabular list?

Certain conditions originating in the perinatal period (P00-P96), in the block Disorders of newborn related to length of gestation and fetal growth (P05-P08).

P05

P05 — Disorders of newborn related to slow fetal growth and fetal malnutrition

Non-billable headerICD-10-CM

P05 is a non-billable header ICD-10-CM code for disorders of newborn related to slow fetal growth and fetal malnutrition. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with P05

These codes carry an Excludes1 note pointing at P05. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading P05 alone.

P05.2Newborn affected by fetal (intrauterine) malnutrition not light or small for gestational age
P07.0Extremely low birth weight newborn
P07.1Other low birth weight newborn

Risk adjustment

P05 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 P05

4 child codes. Green means billable.

Questions about P05

Is P05 a billable ICD-10-CM code?: No. P05 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does P05 sit in the tabular list?: Certain conditions originating in the perinatal period (P00-P96), in the block Disorders of newborn related to length of gestation and fetal growth (P05-P08).