P90 ICD-10-CM Code: Convulsions of newborn

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Official description

P90

Convulsions of newborn

ICD-10-CM diagnosis code · United States clinical modification

Where P90 sits

  1. 1

    Chapter 16

    Certain conditions originating in the perinatal period (P00-P96)

  2. 2

    Section

    Other disorders originating in the perinatal period (P90-P96)

  3. 3

    Category P90

    Convulsions of newborn

  4. 4

    Code P90

    Convulsions of newborn

Notes for this code

Inclusion terms

No inclusion terms are listed for P90.

Code first

No “code first” instruction is listed for P90.

Use additional code

No “use additional code” instruction is listed for P90.

Excludes1

Conditions that should not be reported together with this code.

  • benign myoclonic epilepsy in infancy (G40.3-)
  • benign neonatal convulsions (familial) (G40.3-)

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for P90.

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Frequently asked questions

What does ICD-10-CM code P90 mean?

P90 is the FY 2027 U.S. ICD-10-CM code for “Convulsions of newborn.”

Is P90 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, P90 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is P90 located in ICD-10-CM?

P90 is listed in Chapter 16, Certain conditions originating in the perinatal period (P00-P96), within Other disorders originating in the perinatal period (P90-P96) (P90–P96), under category P90, Convulsions of newborn.

What coding notes are listed for P90?

No inclusion terms are listed for P90 in this reference record. No code-first instruction is listed. Excludes1 notes: benign myoclonic epilepsy in infancy (G40.3-); benign neonatal convulsions (familial) (G40.3-). No Excludes2 note is listed.