FY2027
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Excludes1 pair

P91.4 vs P91.6-

P91.4 and P91.6 are not coded together. ICD-10-CM declares them mutually exclusive with an Excludes1 note — the two conditions are not expected to occur together, so exactly one of them is normally correct for a given encounter. The Official Guidelines carve out one exception: if the two conditions are clearly unrelated to each other, both may be reported.

The official note, declared on P91.6
Neonatal cerebral depression (P91.4)
P91.4

Neonatal cerebral depression

Billable
Chapter 16
Certain conditions originating in the perinatal period
Section
P90-P96
Indexed under
  • Depression › cerebral › newborn
P91.6

Hypoxic ischemic encephalopathy [HIE]

Not billable
Chapter 16
Certain conditions originating in the perinatal period
Section
P90-P96

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