P07.23
✓ Billable
Extreme immaturity of newborn, gestational age 24 completed weeks
ICD-10-CM · FY2026 · Certain Conditions Originating in the Perinatal Period
Code
P07.23
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Certain Conditions Originating in the Perinatal Period
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code P07.23?
ICD-10-CM code P07.23 represents Extreme immaturity of newborn, gestational age 24 completed weeks. It is a billable diagnosis code in the Certain Conditions Originating in the Perinatal Period chapter, effective October 1, 2025 – September 30, 2026.
Is P07.23 billable?
Yes. P07.23 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is P07.23 in?
P07.23 belongs to the Certain Conditions Originating in the Perinatal Period chapter (P00–P96) of ICD-10-CM.
Related codes in the P07 category
P07
Disorders of newborn related to short gestation and low birth weight, not elsewhere classified
Non-billable
P07.0
Extremely low birth weight newborn
Non-billable
P07.1
Other low birth weight newborn
Non-billable
P07.2
Extreme immaturity of newborn
Non-billable
P07.3
Preterm [premature] newborn [other]
Non-billable
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
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