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

    1. P07.0 Extremely low birth weight newborn

      Inclusion term(s):

      • Newborn birth weight 999 g. or less
      1. P07.00 Extremely low birth weight newborn, unspecified weight

      2. P07.01 Extremely low birth weight newborn, less than 500 grams

      3. P07.02 Extremely low birth weight newborn, 500-749 grams

      4. P07.03 Extremely low birth weight newborn, 750-999 grams

    2. P07.1 Other low birth weight newborn

      Inclusion term(s):

      • Newborn birth weight 1000-2499 g.
      1. P07.10 Other low birth weight newborn, unspecified weight

      2. P07.14 Other low birth weight newborn, 1000-1249 grams

      3. P07.15 Other low birth weight newborn, 1250-1499 grams

      4. P07.16 Other low birth weight newborn, 1500-1749 grams

      5. P07.17 Other low birth weight newborn, 1750-1999 grams

      6. P07.18 Other low birth weight newborn, 2000-2499 grams

    3. P07.2 Extreme immaturity of newborn

      Inclusion term(s):

      • Less than 28 completed weeks (less than 196 completed days) of gestation.
      1. P07.20 Extreme immaturity of newborn, unspecified weeks of gestation

        Inclusion term(s):

        • Gestational age less than 28 completed weeks NOS
      2. P07.21 Extreme immaturity of newborn, gestational age less than 23 completed weeks

        Inclusion term(s):

        • Extreme immaturity of newborn, gestational age less than 23 weeks, 0 days
      3. P07.22 Extreme immaturity of newborn, gestational age 23 completed weeks

        Inclusion term(s):

        • Extreme immaturity of newborn, gestational age 23 weeks, 0 days through 23 weeks, 6 days
      4. P07.23 Extreme immaturity of newborn, gestational age 24 completed weeks

        Inclusion term(s):

        • Extreme immaturity of newborn, gestational age 24 weeks, 0 days through 24 weeks, 6 days
      5. P07.24 Extreme immaturity of newborn, gestational age 25 completed weeks

        Inclusion term(s):

        • Extreme immaturity of newborn, gestational age 25 weeks, 0 days through 25 weeks, 6 days
      6. P07.25 Extreme immaturity of newborn, gestational age 26 completed weeks

        Inclusion term(s):

        • Extreme immaturity of newborn, gestational age 26 weeks, 0 days through 26 weeks, 6 days
      7. P07.26 Extreme immaturity of newborn, gestational age 27 completed weeks

        Inclusion term(s):

        • Extreme immaturity of newborn, gestational age 27 weeks, 0 days through 27 weeks, 6 days
    4. P07.3 Preterm [premature] newborn [other]

      Inclusion term(s):

      • 28 completed weeks or more but less than 37 completed weeks (196 completed days but less than 259 completed days) of gestation.
      • Prematurity NOS
      1. P07.30 Preterm newborn, unspecified weeks of gestation

      2. P07.31 Preterm newborn, gestational age 28 completed weeks

        Inclusion term(s):

        • Preterm newborn, gestational age 28 weeks, 0 days through 28 weeks, 6 days
      3. P07.32 Preterm newborn, gestational age 29 completed weeks

        Inclusion term(s):

        • Preterm newborn, gestational age 29 weeks, 0 days through 29 weeks, 6 days
      4. P07.33 Preterm newborn, gestational age 30 completed weeks

        Inclusion term(s):

        • Preterm newborn, gestational age 30 weeks, 0 days through 30 weeks, 6 days
      5. P07.34 Preterm newborn, gestational age 31 completed weeks

        Inclusion term(s):

        • Preterm newborn, gestational age 31 weeks, 0 days through 31 weeks, 6 days
      6. P07.35 Preterm newborn, gestational age 32 completed weeks

        Inclusion term(s):

        • Preterm newborn, gestational age 32 weeks, 0 days through 32 weeks, 6 days
      7. P07.36 Preterm newborn, gestational age 33 completed weeks

        Inclusion term(s):

        • Preterm newborn, gestational age 33 weeks, 0 days through 33 weeks, 6 days
      8. P07.37 Preterm newborn, gestational age 34 completed weeks

        Inclusion term(s):

        • Preterm newborn, gestational age 34 weeks, 0 days through 34 weeks, 6 days
      9. P07.38 Preterm newborn, gestational age 35 completed weeks

        Inclusion term(s):

        • Preterm newborn, gestational age 35 weeks, 0 days through 35 weeks, 6 days
      10. P07.39 Preterm newborn, gestational age 36 completed weeks

        Inclusion term(s):

        • Preterm newborn, gestational age 36 weeks, 0 days through 36 weeks, 6 days
Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.