ICD-10 Code for Light-for-dates
Also indexed as (infant)
The ICD-10-CM code for light-for-dates is P05.00 — Newborn light for gestational age, unspecified weight. This is the code the Alphabetic Index gives for light-for-dates with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).
P05.00 is billable but unspecified. If the documentation names a type, site or cause, one of the more specific codes below is likely expected.
Which light-for-dates code should you use?
The Alphabetic Index lists 11 codes under Light-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
Light-for-dates with weight of
| 499 grams or less | P05.01 | Newborn light for gestational age, less than 500 grams | |
| 500-749 grams | P05.02 | Newborn light for gestational age, 500-749 grams | |
| 750-999 grams | P05.03 | Newborn light for gestational age, 750-999 grams | |
| 1000-1249 grams | P05.04 | Newborn light for gestational age, 1000-1249 grams | |
| 1250-1499 grams | P05.05 | Newborn light for gestational age, 1250-1499 grams | |
| 1500-1749 grams | P05.06 | Newborn light for gestational age, 1500-1749 grams | |
| 1750-1999 grams | P05.07 | Newborn light for gestational age, 1750-1999 grams | |
| 2000-2499 grams | P05.08 | Newborn light for gestational age, 2000-2499 grams | |
| 2500 grams and over | P05.09 | Newborn light for gestational age, 2500 grams and over |
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