I62.00 Nontraumatic subdural hemorrhage, unspecified

Billable ICD-10-CM code, FY2026. Acts as a Major Complication or Comorbidity (MCC) as a secondary diagnosis.

Applies from I62 Other and unspecified nontraumatic intracranial hemorrhage

Excludes2 (not included here)

• sequelae of intracranial hemorrhage (I69.2)

Use additional code

• code, if known, to indicate National Institutes of Health Stroke Scale (NIHSS) score (R29.7-)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 248 — Intracranial Hemorrhage
• CMS-HCC V22: HCC 99 — Cerebral Hemorrhage
• ESRD V24: HCC 99

MS-DRG index

Defines the logic of DRG(s) 020-022 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 432.1 Subdural hemorrhage (approximate)

Code annotations containing back-references to I62.00

Back-references to I62.0

• Code Also: G96.81 Intracranial hypotension ("Nontraumatic subdural hemorrhage (I62.0-)")

Back-references to I62

• Type 1 Excludes: G31.84 Mild cognitive impairment of uncertain or unknown etiology ("cerebrovascular diseases (I60-I69)")
• Code First: G46 Vascular syndromes of brain in cerebrovascular diseases ("underlying cerebrovascular disease (I60-I69)")
• Type 2 Excludes: I10 Essential (primary) hypertension ("essential (primary) hypertension involving vessels of brain (I60-I69)")
• Type 2 Excludes: I15 Secondary hypertension ("secondary hypertension involving vessels of brain (I60-I69)")
• Use Additional: I16.1 Hypertensive emergency ("cerebral hemorrhage (I60.-. I61.-, I62.-)")

Diagnosis Index entries for I62.00

• Hemorrhage, hemorrhagic (concealed) › intracranial (nontraumatic) › subdural (nontraumatic)

Nearby codes

• I62 Other and unspecified nontraumatic intracranial hemorrhage
• I62.0 Nontraumatic subdural hemorrhage
• I62.00 Nontraumatic subdural hemorrhage, unspecified (this code)
• I62.01 Nontraumatic acute subdural hemorrhage
• I62.02 Nontraumatic subacute subdural hemorrhage
• I62.03 Nontraumatic chronic subdural hemorrhage
• I62.1 Nontraumatic extradural hemorrhage
• I62.9 Nontraumatic intracranial hemorrhage, unspecified