P05: Disorders of newborn related to slow fetal growth and fetal malnutrition

Codes under P05 (Disorders of newborn related to slow fetal growth and fetal malnutrition). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
P05.0	Newborn light for gestational age	—
P05.00	Newborn light for gestational age, unspecified weight	✓
P05.01	Newborn light for gestational age, less than 500 grams	✓
P05.1	Newborn small for gestational age	—
P05.02	Newborn light for gestational age, 500-749 grams	✓
P05.2	Newborn affected by fetal (intrauterine) malnutrition not light or small for gestational age	✓
P05.03	Newborn light for gestational age, 750-999 grams	✓
P05.04	Newborn light for gestational age, 1000-1249 grams	✓
P05.05	Newborn light for gestational age, 1250-1499 grams	✓
P05.06	Newborn light for gestational age, 1500-1749 grams	✓
P05.07	Newborn light for gestational age, 1750-1999 grams	✓
P05.08	Newborn light for gestational age, 2000-2499 grams	✓
P05.09	Newborn light for gestational age, 2500 grams and over	✓
P05.9	Newborn affected by slow intrauterine growth, unspecified	✓
P05.10	Newborn small for gestational age, unspecified weight	✓
P05.11	Newborn small for gestational age, less than 500 grams	✓
P05.12	Newborn small for gestational age, 500-749 grams	✓
P05.13	Newborn small for gestational age, 750-999 grams	✓
P05.14	Newborn small for gestational age, 1000-1249 grams	✓
P05.15	Newborn small for gestational age, 1250-1499 grams	✓
P05.16	Newborn small for gestational age, 1500-1749 grams	✓
P05.17	Newborn small for gestational age, 1750-1999 grams	✓
P05.18	Newborn small for gestational age, 2000-2499 grams	✓
P05.19	Newborn small for gestational age, other	✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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