P05.1 is the ICD-10 code for Small for gestational age. It is a four-character subcategory of P05 (Slow fetal growth and fetal malnutrition), the most specific level in the WHO edition. It belongs to the block P05–P08 (Disorders related to length of gestation and fetal growth) in Chapter XVI, Certain conditions originating in the perinatal period.
- Code type
- Subcategory (4 characters)
- Chapter
- XVI · P00–P96
- Classification
- WHO ICD-10, 2019 version
What P05.1 includes
Conditions and terms that are coded here.
- Small-for-dates
- Small-and-light-for-dates
Coding notes
- Usually referred to as weight and length below 10th centile for gestational age.
P05.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
P05.1För liten i förhållande till graviditetstiden (kort-för-tiden)
P05.1Liten i forhold til svangerskapslengde
DP051Lille i forhold til gestationsalderen
P05.1Sikiön hidas painon ja pituuden kasvu
P05.1Für das Gestationsalter zu kleine Neugeborene
P05.1Petite taille pour l'âge gestationnel
P05.1klein voor zwangerschapsduur
Listed through more specific codes:
- P05.10Newborn small for gestational age, unspecified weight
- P05.11Newborn small for gestational age, less than 500 grams
- P05.12Newborn small for gestational age, 500-749 grams
- P05.13Newborn small for gestational age, 750-999 grams
- P05.14Newborn small for gestational age, 1000-1249 grams
- P05.15Newborn small for gestational age, 1250-1499 grams
- P05.16Newborn small for gestational age, 1500-1749 grams
- P05.17Newborn small for gestational age, 1750-1999 grams
- and 2 more national subcodes
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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