ICD-10 Code for Heavy-for-dates NEC
The default ICD-10-CM 2027 code for heavy-for-dates nec (infant) (4000g to 4499g) is P08.1 – Other heavy for gestational age newborn. More specific codes depend on the details documented, as listed in the official index (2 codes, 2 billable).
- Main code
P08.1– Other heavy for gestational age newborn- Billable
- Yes
Index entries for Heavy-for-dates NEC
- exceptionally (4500g or more) –
P08.0
How to choose the right code
Start with the main term, then pick the indented subterm that matches the documentation (type, cause, site, laterality, episode of care). Always confirm the code in the tabular list: follow its Excludes1/Excludes2, “code first” and “use additional code” notes, and add a 7th character where required.
Source: CDC/NCHS ICD-10-CM FY2027 alphabetic index.