P08.0 vs P08.1
P08.0 and P08.1 can never be reported together. ICD-10-CM declares them mutually exclusive with an Excludes1 note, meaning the two conditions cannot occur in the same patient — so exactly one of them is correct for any given encounter.
The official note, declared on P08.1
newborn with a birth weight of 4500 or more (P08.0)
P08.0
Exceptionally large newborn baby
Billable
- Chapter 16
- Certain conditions originating in the perinatal period
- Section
- P05-P08
Use when the record says
- Usually implies a birth weight of 4500 g. or more
Indexed under
- Heavy-for-dates NEC › exceptionally (infant) (4000g to 4499g)
- Large-for-dates NEC › exceptionally (infant) (4000g to 4499g)
- Birth › weight › 4500 grams or more
- Excess, excessive, excessively › large › infant
P08.1
Other heavy for gestational age newborn
Billable
- Chapter 16
- Certain conditions originating in the perinatal period
- Section
- P05-P08
Use when the record says
- Other newborn heavy- or large-for-dates regardless of period of gestation
- Usually implies a birth weight of 4000 g. to 4499 g.
Indexed under
- Heavy-for-dates NEC (infant) (4000g to 4499g)
- Large-for-dates NEC (infant) (4000g to 4499g)
- Large › baby
- Birth › weight › 4000 grams to 4499 grams
Excludes1 is not always absolute: where two conditions covered by the note are genuinely unrelated, CMS guidance permits reporting both. Document the reasoning rather than assuming it. More on Excludes1 vs Excludes2 · FY2027