P05.1

Non-billable

Newborn small for gestational age

P05.1 is the ICD-10-CM code for Newborn small for gestational age. It is a non-billable category code — use a more specific child code such as P05.10 for billing.

Status
Header (non-billable)
Chapter
P00-P96
Parent
P05
Subcodes
10
Edition
FY2026

P00-P96 Certain conditions originating in the perinatal period

What this means — in plain language

MedlinePlus · NIH

What is birth weight? Birth weight is the first weight of your baby, taken just after being born. A low birth weight means that the baby is less than 5 pounds, 8 ounces. A high birth weight means that the baby is more than 8 pounds, 13 ounces. What can cause low birth weight? A baby with a low birth weight can be born too small, too early ( premature ), or both. This can happen for many different reasons. They…

Read more about Birth Weight at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

  • Newborn small-and-light-for-dates
  • Newborn small-for-dates
  • Weight and length below 10th percentile for gestational age

Frequently asked questions

What is ICD-10 code P05.1?
P05.1 is the ICD-10-CM code for "Newborn small for gestational age". It falls under P00-P96 Certain conditions originating in the perinatal period.
Is P05.1 a billable code?
No — P05.1 is a non-billable header code. Use a more specific child code (such as P05.10) for billing.
What are the subcodes of P05.1?
P05.1 has 10 more specific child codes, including P05.10, P05.11, P05.12.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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