P07.21
BillableExtreme immaturity of newborn, gestational age less than 23 completed weeks
P07.21 is the ICD-10-CM code for Extreme immaturity of newborn, gestational age less than 23 completed weeks. It is a billable, specific code valid for reimbursement.
P00-P96 Certain conditions originating in the perinatal period
Includes
- •Extreme immaturity of newborn, gestational age less than 23 weeks, 0 days
Frequently asked questions
- What is ICD-10 code P07.21?
- P07.21 is the ICD-10-CM code for "Extreme immaturity of newborn, gestational age less than 23 completed weeks". It falls under P00-P96 Certain conditions originating in the perinatal period.
- Is P07.21 a billable code?
- Yes — P07.21 is a billable, specific ICD-10-CM code valid for reimbursement.
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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