ICD-10 Code for Small-for-dates
Also indexed as (infant)
The ICD-10-CM code for small-for-dates is P05.10 — Newborn small for gestational age, unspecified weight. This is the code the Alphabetic Index gives for small-for-dates with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).
P05.10 is billable but unspecified. If the documentation names a type, site or cause, one of the more specific codes below is likely expected.
Which small-for-dates code should you use?
The Alphabetic Index lists 10 codes under Small-for-dates. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.
By type
| specified NEC | P05.19 | Newborn small for gestational age, other |
Small-for-dates with weight of
| 499 grams or less | P05.11 | Newborn small for gestational age, less than 500 grams | |
| 500-749 grams | P05.12 | Newborn small for gestational age, 500-749 grams | |
| 750-999 grams | P05.13 | Newborn small for gestational age, 750-999 grams | |
| 1000-1249 grams | P05.14 | Newborn small for gestational age, 1000-1249 grams | |
| 1250-1499 grams | P05.15 | Newborn small for gestational age, 1250-1499 grams | |
| 1500-1749 grams | P05.16 | Newborn small for gestational age, 1500-1749 grams | |
| 1750-1999 grams | P05.17 | Newborn small for gestational age, 1750-1999 grams | |
| 2000-2499 grams | P05.18 | Newborn small for gestational age, 2000-2499 grams | |
| 2500 grams and over | P05.19 | Newborn small for gestational age, other |
Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources