P05.1 – Newborn small for gestational age
ICD-10-CM 2027 diagnosis code · Disorders of newborn related to length of gestation and fetal growth
- Code
P05.1(claims format:P051)- Description
- Newborn small for gestational age
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 16. Certain conditions originating in the perinatal period (P00-P96)
- Block
- P05-P08 Disorders of newborn related to length of gestation and fetal growth
- Parent codes
- P05
Billable codes under P05.1
P05.1 is a header code and cannot be used on claims. Choose the most specific code:
- P05.10 – Newborn small for gestational age, unspecified weightBillable
- P05.11 – Newborn small for gestational age, less than 500 gramsBillable
- P05.12 – Newborn small for gestational age, 500-749 gramsBillable
- P05.13 – Newborn small for gestational age, 750-999 gramsBillable
- P05.14 – Newborn small for gestational age, 1000-1249 gramsBillable
- P05.15 – Newborn small for gestational age, 1250-1499 gramsBillable
- P05.16 – Newborn small for gestational age, 1500-1749 gramsBillable
- P05.17 – Newborn small for gestational age, 1750-1999 gramsBillable
- P05.18 – Newborn small for gestational age, 2000-2499 gramsBillable
- P05.19 – Newborn small for gestational age, otherBillable
Notes for P05.1
- Newborn small-and-light-for-dates
- Newborn small-for-dates
- Weight and length below 10th percentile for gestational age
Index terms for P05.1
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in P05
Frequently asked questions
What is ICD-10 code P05.1?
P05.1 is the ICD-10-CM code for newborn small for gestational age, in the block P05-P08 (Disorders of newborn related to length of gestation and fetal growth).
Is P05.1 a billable code?
No. P05.1 is a header code with more specific child codes; report one of the billable codes listed above.
What category does P05.1 belong to?
It belongs to category P05 – Disorders of newborn related to slow fetal growth and fetal malnutrition.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.