Disorders of newborn related to length of gestation and fetal growth
63 codes in this section
About Section P05-P08
Section P05-P08 (P05-P08) covers disorders of newborn related to length of gestation and fetal growth. It sits within the Certain conditions originating in the perinatal period chapter (P00-P96). This section contains 63 ICD-10-CM codes, 53 billable diagnoses you can submit on a claim, and 10 non-billable header codes used to organize the hierarchy.
Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.
Codes in P05-P08
Grouped by 3-character root code. Click any code for full detail.
| P05.0 | Newborn light for gestational age | Header |
| P05.00 | Newborn light for gestational age, unspecified weight | Billable |
| P05.01 | Newborn light for gestational age, less than 500 grams | Billable |
| P05.02 | Newborn light for gestational age, 500-749 grams | Billable |
| P05.03 | Newborn light for gestational age, 750-999 grams | Billable |
| P05.04 | Newborn light for gestational age, 1000-1249 grams | Billable |
| P05.05 | Newborn light for gestational age, 1250-1499 grams | Billable |
| P05.06 | Newborn light for gestational age, 1500-1749 grams | Billable |
| P05.07 | Newborn light for gestational age, 1750-1999 grams | Billable |
| P05.08 | Newborn light for gestational age, 2000-2499 grams | Billable |
| P05.09 | Newborn light for gestational age, 2500 grams and over | Billable |
| P05.1 | Newborn small for gestational age | Header |
| P05.10 | Newborn small for gestational age, unspecified weight | Billable |
| P05.11 | Newborn small for gestational age, less than 500 grams | Billable |
| P05.12 | Newborn small for gestational age, 500-749 grams | Billable |
| P05.13 | Newborn small for gestational age, 750-999 grams | Billable |
| P05.14 | Newborn small for gestational age, 1000-1249 grams | Billable |
| P05.15 | Newborn small for gestational age, 1250-1499 grams | Billable |
| P05.16 | Newborn small for gestational age, 1500-1749 grams | Billable |
| P05.17 | Newborn small for gestational age, 1750-1999 grams | Billable |
| P05.18 | Newborn small for gestational age, 2000-2499 grams | Billable |
| P05.19 | Newborn small for gestational age, other | Billable |
| P05.2 | Newborn affected by fetal (intrauterine) malnutrition not light or small for gestational age | Billable |
| P05.9 | Newborn affected by slow intrauterine growth, unspecified | Billable |
| P07.0 | Extremely low birth weight newborn | Header |
| P07.00 | Extremely low birth weight newborn, unspecified weight | Billable |
| P07.01 | Extremely low birth weight newborn, less than 500 grams | Billable |
| P07.02 | Extremely low birth weight newborn, 500-749 grams | Billable |
| P07.03 | Extremely low birth weight newborn, 750-999 grams | Billable |
| P07.1 | Other low birth weight newborn | Header |
| P07.10 | Other low birth weight newborn, unspecified weight | Billable |
| P07.14 | Other low birth weight newborn, 1000-1249 grams | Billable |
| P07.15 | Other low birth weight newborn, 1250-1499 grams | Billable |
| P07.16 | Other low birth weight newborn, 1500-1749 grams | Billable |
| P07.17 | Other low birth weight newborn, 1750-1999 grams | Billable |
| P07.18 | Other low birth weight newborn, 2000-2499 grams | Billable |
| P07.2 | Extreme immaturity of newborn | Header |
| P07.20 | Extreme immaturity of newborn, unspecified weeks of gestation | Billable |
| P07.21 | Extreme immaturity of newborn, gestational age less than 23 completed weeks | Billable |
| P07.22 | Extreme immaturity of newborn, gestational age 23 completed weeks | Billable |
| P07.23 | Extreme immaturity of newborn, gestational age 24 completed weeks | Billable |
| P07.24 | Extreme immaturity of newborn, gestational age 25 completed weeks | Billable |
| P07.25 | Extreme immaturity of newborn, gestational age 26 completed weeks | Billable |
| P07.26 | Extreme immaturity of newborn, gestational age 27 completed weeks | Billable |
| P07.3 | Preterm [premature] newborn [other] | Header |
| P07.30 | Preterm newborn, unspecified weeks of gestation | Billable |
| P07.31 | Preterm newborn, gestational age 28 completed weeks | Billable |
| P07.32 | Preterm newborn, gestational age 29 completed weeks | Billable |
| P07.33 | Preterm newborn, gestational age 30 completed weeks | Billable |
| P07.34 | Preterm newborn, gestational age 31 completed weeks | Billable |
| P07.35 | Preterm newborn, gestational age 32 completed weeks | Billable |
| P07.36 | Preterm newborn, gestational age 33 completed weeks | Billable |
| P07.37 | Preterm newborn, gestational age 34 completed weeks | Billable |
| P07.38 | Preterm newborn, gestational age 35 completed weeks | Billable |
| P07.39 | Preterm newborn, gestational age 36 completed weeks | Billable |
| P08.0 | Exceptionally large newborn baby | Billable |
| P08.1 | Other heavy for gestational age newborn | Billable |
| P08.2 | Late newborn, not heavy for gestational age | Header |
| P08.21 | Post-term newborn | Billable |
| P08.22 | Prolonged gestation of newborn | Billable |
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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