P07.21 Extreme immaturity of newborn, gestational age less than 23 completed weeks
Instructional Notes:
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P07.21
Description: Extreme immaturity of newborn, gestational age less than 23 completed weeks
Inclusion Term:
- Extreme immaturity of newborn, gestational age less than 23 weeks, 0 days
↓
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P07.2
Description: Extreme immaturity of newborn
Inclusion Term:
- Less than 28 completed weeks (less than 196 completed days) of gestation.
↓
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P07
Description: Disorders of newborn related to short gestation and low birth weight, not elsewhere classified
Notes:
- When both birth weight and gestational age of the newborn are available, both should be coded with birth weight sequenced before gestational age
Include:
- the listed conditions, without further specification, as the cause of morbidity or additional care, in newborn
↓
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P05-P08
Description: Disorders of newborn related to length of gestation and fetal growth (P05-P08)
↓
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P00-P96
Description: Certain conditions originating in the perinatal period
Exclude2:
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- tetanus neonatorum (A33)
Notes:
- Codes from this chapter are for use on newborn records only, never on maternal records
Include:
- conditions that have their origin in the fetal or perinatal period (before birth through the first 28 days after birth) even if morbidity occurs later