ICDcodes.org
FY2027

P91.3 — Neonatal cerebral irritability

BillableMCC

Is P91.3 billable?

Yes — P91.3 is billable for FY2027. P91.3 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. P91.3 may be submitted for encounters from October 1, 2026 through September 30, 2027.

P91.3 at a glance

CodeP91.3
DescriptionNeonatal cerebral irritability
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Which MS-DRGs does P91.3 group to?

P91.3 sits in MDC 15 and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 791Prematurity with Major Problemsmedical

As a secondary diagnosis, P91.3 is a major complication or comorbidity (MCC), which can move a stay into a higher-paying DRG.

How is P91.3 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to P91.3. They show the wording a clinician may have documented, which often differs from the Tabular description.

  • Irritable, irritability › cerebral, in newborn

Excludes2 — not included here — inherited from Chapter 16

The conditions below are not part of P91.3, but a patient may have both at the same time. When documentation supports it, P91.3 and the excluded code may both be reported.

  • 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)

How long has P91.3 existed?

P91.3 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

Which codes are confused with P91.3?

ICD-10-CM declares these codes mutually exclusive with P91.3 — exactly one of each pair can be correct for a given encounter.

Which conditions are coded to P91.3?

What other codes are in the P91 family? (8)