DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

P91 Other disturbances of cerebral status of newborn

  • Header · not billable

P91 is not billable. The category heads 18 billable codes in FY2027, grouped under 9 subdivisions.

Index → code

  • Leukomalacia, cerebral, newborn → P91.2
  • Comanewborn → P91.5
  • Hemiplegianewborn NEC → P91.88

Where it sits

  1. Chapter 16 Certain conditions originating in the perinatal period (P00-P96)
  2. P90-P96 Other disorders originating in the perinatal period (P90-P96)
  3. P91 Other disturbances of cerebral status of newborn
Billable codes
18
Subdivisions
9
CC / MCC codes
3 / 11
HCC V28 codes
18
New FY2027
0
Index entries
27

Codes in P91

  1. P91.0
    Neonatal cerebral ischemia
    BillableMCC202
    Excludes1 1

    Excludes1

    • Neonatal cerebral infarction (P91.82-) P91.82
  2. P91.1
    Acquired periventricular cysts of newborn
    BillableMCC202
  3. P91.2
    Neonatal cerebral leukomalacia
    BillableMCC202
    Inclusion terms 1

    Inclusion terms

    • Periventricular leukomalacia
  4. P91.3
    Neonatal cerebral irritability
    BillableMCC202
  5. P91.4
    Neonatal cerebral depression
    BillableMCC202
  6. P91.5
    Neonatal coma
    BillableMCC202
  7. P91.6
    Hypoxic ischemic encephalopathy [HIE]
    Header
    Excludes1 3

    Excludes1

    • Neonatal cerebral depression (P91.4) P91.4
    • Neonatal cerebral irritability (P91.3) P91.3
    • Neonatal coma (P91.5) P91.5
  8. P91.60
    Hypoxic ischemic encephalopathy [HIE], unspecified
    BillableCC202
  9. P91.61
    Mild hypoxic ischemic encephalopathy [HIE]
    BillableCC202
  10. P91.62
    Moderate hypoxic ischemic encephalopathy [HIE]
    BillableCC202
  11. P91.63
    Severe hypoxic ischemic encephalopathy [HIE]
    BillableMCC202
  12. P91.8
    Other specified disturbances of cerebral status of newborn
    Header
  13. P91.81
    Neonatal encephalopathy
    Header
  14. P91.811
    Neonatal encephalopathy in diseases classified elsewhere
    Billable202Exempt
    Code first 4

    Code first

    • underlying condition, if known, such as:
    • congenital cirrhosis (of liver) (P78.81) P78.81
    • intracranial nontraumatic hemorrhage of newborn (P52.-) P52
    • kernicterus (P57.-) P57
  15. P91.819
    Neonatal encephalopathy, unspecified
    Billable202Exempt
  16. P91.82
    Neonatal cerebral infarction
    Header
    Inclusion terms 3, Excludes1 1, Excludes2 1

    Inclusion terms

    • Neonatal stroke
    • Perinatal arterial ischemic stroke
    • Perinatal cerebral infarction

    Excludes1

    • cerebral infarction (I63.-) I63

    Excludes2

    • intracranial hemorrhage of newborn (P52.-) P52
  17. P91.821
    Neonatal cerebral infarction, right side of brain
    BillableMCC249Exempt
  18. P91.822
    Neonatal cerebral infarction, left side of brain
    BillableMCC249Exempt
  19. P91.823
    Neonatal cerebral infarction, bilateral
    BillableMCC249Exempt
  20. P91.829
    Neonatal cerebral infarction, unspecified side
    BillableMCC249Exempt
  21. P91.88
    Other specified disturbances of cerebral status of newborn
    Billable202Exempt
  22. P91.9
    Disturbance of cerebral status of newborn, unspecified
    Billable202

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

Notes that also apply

Chapter 16 instructions (Notes 1, Includes 1, Excludes2 5): printed on the chapter 16 page.

Index entries

  • Leukomalacia, cerebral, newborn → P91.2
  • Cyst (colloid) (mucous) (simple) (retention)periventricular, acquired, newborn → P91.1
  • Leukomalacia, cerebral, newbornperiventricular → P91.2
  • Irritable, irritabilitycerebral, in newborn → P91.3
  • Comanewborn → P91.5
  • Encephalopathy (acute)hypoxic ischemic → P91.60
  • Encephalopathy (acute)neonatal → P91.819
  • Stroke (apoplectic) (brain) (ischemic) (paralytic)cerebral, perinatal → P91.82-
  • Stroke (apoplectic) (brain) (ischemic) (paralytic)ischemic, perinatal arterial → P91.82-
  • Stroke (apoplectic) (brain) (ischemic) (paralytic)neonatal → P91.82-
  • Failure, failedvital centers, newborn → P91.88
  • Hemiplegianewborn NEC → P91.88
  • Ischemia, ischemiccerebral (chronic) (generalized)newborn → P91.0
  • Newborn (infant) (liveborn) (singleton)affected bycerebral ischemia → P91.0
  • Depression (acute) (mental)cerebralnewborn → P91.4
  • Newborn (infant) (liveborn) (singleton)affected byhypoxic ischemic encephalopathy [HIE] → P91.60
  • Encephalopathy (acute)hypoxic ischemicmild → P91.61
  • Encephalopathy (acute)hypoxic ischemicmoderate → P91.62
  • Encephalopathy (acute)hypoxic ischemicsevere → P91.63
  • Encephalopathy (acute)neonatalin diseases classified elsewhere → P91.811
  • Infarct, infarctioncerebral (acute)neonatal → P91.82-
  • Infarct, infarctioncerebral (acute)perinatal (arterial ischemic) → P91.82-
  • Disturbance(s)cerebralstatus, newborn → P91.9
  • Newborn (infant) (liveborn) (singleton)affected byhypoxic ischemic encephalopathy [HIE]mild → P91.61
  • Newborn (infant) (liveborn) (singleton)affected byhypoxic ischemic encephalopathy [HIE]moderate → P91.62
  • Newborn (infant) (liveborn) (singleton)affected byhypoxic ischemic encephalopathy [HIE]severe → P91.63
  • Disturbance(s)cerebralstatus, newbornspecified NEC → P91.88

NCHS Alphabetic Index. Index first, then the Tabular List.

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