P07 Disorders of newborn related to short gestation and low birth weight, not elsewhere classified

Category / Non-billable header 31 subcodes

Block: Disorders of newborn related to length of gestation and fetal growth (P05-P08)

Includes

  • the listed conditions, without further specification, as the cause of morbidity or additional care, in newborn

Notes

  • When both birth weight and gestational age of the newborn are available, both should be coded with birth weight sequenced before gestational age

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
P07..0 Extremely low birth weight newborn No
P07..00 Extremely low birth weight newborn, unspecified weight Yes
P07..01 Extremely low birth weight newborn, less than 500 grams Yes
P07..02 Extremely low birth weight newborn, 500-749 grams Yes
P07..03 Extremely low birth weight newborn, 750-999 grams Yes
P07..1 Other low birth weight newborn No
P07..10 Other low birth weight newborn, unspecified weight Yes
P07..14 Other low birth weight newborn, 1000-1249 grams Yes
P07..15 Other low birth weight newborn, 1250-1499 grams Yes
P07..16 Other low birth weight newborn, 1500-1749 grams Yes
P07..17 Other low birth weight newborn, 1750-1999 grams Yes
P07..18 Other low birth weight newborn, 2000-2499 grams Yes
P07..2 Extreme immaturity of newborn No
P07..20 Extreme immaturity of newborn, unspecified weeks of gestation Yes
P07..21 Extreme immaturity of newborn, gestational age less than 23 completed weeks Yes
P07..22 Extreme immaturity of newborn, gestational age 23 completed weeks Yes
P07..23 Extreme immaturity of newborn, gestational age 24 completed weeks Yes
P07..24 Extreme immaturity of newborn, gestational age 25 completed weeks Yes
P07..25 Extreme immaturity of newborn, gestational age 26 completed weeks Yes
P07..26 Extreme immaturity of newborn, gestational age 27 completed weeks Yes
P07..3 Preterm [premature] newborn [other] No
P07..30 Preterm newborn, unspecified weeks of gestation Yes
P07..31 Preterm newborn, gestational age 28 completed weeks Yes
P07..32 Preterm newborn, gestational age 29 completed weeks Yes
P07..33 Preterm newborn, gestational age 30 completed weeks Yes
P07..34 Preterm newborn, gestational age 31 completed weeks Yes
P07..35 Preterm newborn, gestational age 32 completed weeks Yes
P07..36 Preterm newborn, gestational age 33 completed weeks Yes
P07..37 Preterm newborn, gestational age 34 completed weeks Yes
P07..38 Preterm newborn, gestational age 35 completed weeks Yes
P07..39 Preterm newborn, gestational age 36 completed weeks Yes

Last reviewed: September 2026