P90
Convulsions of newborn
Risk-adjusting (HCC)Billable code
HCC risk adjustment mapping
CMS-HCC V28
HCC201
Seizure Disorders and Convulsions
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
This code · P90
Inherited from chapter 16Certain conditions originating in the perinatal period
Includes
conditions that have their origin in the fetal or perinatal period (before birth through the first 28 days after birth) even if morbidity occurs later
Excludes 2
congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) injury, poisoning and certain other consequences of external causes (S00-T88) neoplasms (C00-D49) tetanus neonatorum (A33)
Note
Codes from this chapter are for use on newborn records only, never on maternal records
Official Guidelines for P90
FY 2026 ›I.C.16Chapter-specific guidanceChapter 16: Certain Conditions Originating in the Perinatal Period
Subsections
- I.C.16.aGeneral Perinatal Rules
- I.C.16.bObservation and Evaluation of Newborns for Suspected
- I.C.16.cCoding Additional Perinatal Diagnoses
- I.C.16.dPrematurity and Fetal Growth Retardation
- I.C.16.eLow birth weight and immaturity status
- I.C.16.fBacterial Sepsis of Newborn
- I.C.16.gStillbirth
- I.C.16.hCOVID-19 Infection in Newborn
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