I69.959 Hemiplegia and hemiparesis following unspecified cerebrovascular disease affecting unspecified side

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis. Exempt from present-on-admission (POA) reporting.

Applies from I69 Sequelae of cerebrovascular disease

Excludes1 (never code together)

• personal history of cerebral infarction without residual deficit (Z86.73)
• personal history of prolonged reversible ischemic neurologic deficit (PRIND) (Z86.73)
• personal history of reversible ischemic neurologcial deficit (RIND) (Z86.73)
• sequelae of traumatic intracranial injury (S06.-)

Notes

• Category I69 is to be used to indicate conditions in I60-I67 as the cause of sequelae. The 'sequelae' include conditions specified as such or as residuals which may occur at any time after the onset of the causal condition

Applies from I69.9 Sequelae of unspecified cerebrovascular diseases

Excludes1 (never code together)

• sequelae of stroke (I69.3)
• sequelae of traumatic intracranial injury (S06.-)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 253 — Hemiplegia/Hemiparesis
• CMS-HCC V22: HCC 103 — Hemiplegia/Hemiparesis
• ESRD V24: HCC 103

MS-DRG index

Defines the logic of DRG(s) 056-057 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 438.20 Late effects of cerebrovascular disease, hemiplegia affecting unspecified side (approximate)

Medicare Code Edits (MCE v43.1 (April 2026))

• Unspecified code (laterality): Unspecified codes for which a more specific code identifying laterality (right, left, bilateral) exists within the same code family.

Code annotations containing back-references to I69.959

Back-references to I69.95

• Type 1 Excludes: G81 Hemiplegia and hemiparesis ("hemiplegia and hemiparesis due to sequela of cerebrovascular disease (I69.05-, I69.15-, I69.25-, I69.35-, I69.85-, I69.95-)")
• Type 1 Excludes: I69.96 Other paralytic syndrome following unspecified cerebrovascular disease ("hemiplegia/hemiparesis following unspecified cerebrovascular disease (I69.95-)")

Back-references to I69

• Code First: F48.2 Pseudobulbar affect ("sequelae of cerebrovascular disease (I69.-)")
• Type 1 Excludes: F80.81 Childhood onset fluency disorder ("fluency disorder (stuttering) following cerebrovascular disease (I69. with final characters -23)")
• Type 1 Excludes: F98.5 Adult onset fluency disorder ("fluency disorder (stuttering) following cerebrovascular disease (I69. with final characters -23)")
• 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)")
• Code First: R13.1 Dysphagia (", if applicable, dysphagia following cerebrovascular disease (I69. with final characters -91)")
• Type 1 Excludes: R27.0 Ataxia, unspecified ("ataxia following cerebrovascular disease (I69. with final characters -93)")
• Type 1 Excludes: R29.810 Facial weakness ("facial weakness following cerebrovascular disease (I69. with final characters -92)")
• Type 1 Excludes: R47.01 Aphasia ("aphasia following cerebrovascular disease (I69. with final characters -20)")
• Type 1 Excludes: R47.02 Dysphasia ("dysphasia following cerebrovascular disease (I69. with final characters -21)")
• Type 1 Excludes: R47.1 Dysarthria and anarthria ("dysarthria following cerebrovascular disease (I69. with final characters -22)")
• Type 1 Excludes: R47.8 Other speech disturbances ("dysarthria following cerebrovascular disease (I69. with final characters -28)")
• Type 1 Excludes: R47.82 Fluency disorder in conditions classified elsewhere ("fluency disorder (stuttering) following cerebrovascular disease (I69. with final characters -23)")
• Type 1 Excludes: R48.2 Apraxia ("apraxia following cerebrovascular disease (I69. with final characters -90)")
• Type 1 Excludes: Z86.73 Personal history of transient ischemic attack (TIA), and cerebral infarction without residual deficits ("sequelae of cerebrovascular disease (I69.-)")

Diagnosis Index entries for I69.959

• Hemiplegia › following › cerebrovascular disease

Nearby codes

• I69.95 Hemiplegia and hemiparesis following unspecified cerebrovascular disease
• I69.951 Hemiplegia and hemiparesis following unspecified cerebrovascular disease affecting right dominant side
• I69.952 Hemiplegia and hemiparesis following unspecified cerebrovascular disease affecting left dominant side
• I69.953 Hemiplegia and hemiparesis following unspecified cerebrovascular disease affecting right non-dominant side
• I69.954 Hemiplegia and hemiparesis following unspecified cerebrovascular disease affecting left non-dominant side
• I69.959 Hemiplegia and hemiparesis following unspecified cerebrovascular disease affecting unspecified side (this code)
• I69.96 Other paralytic syndrome following unspecified cerebrovascular disease
• I69.961 Other paralytic syndrome following unspecified cerebrovascular disease affecting right dominant side
• I69.962 Other paralytic syndrome following unspecified cerebrovascular disease affecting left dominant side
• I69.963 Other paralytic syndrome following unspecified cerebrovascular disease affecting right non-dominant side
• I69.964 Other paralytic syndrome following unspecified cerebrovascular disease affecting left non-dominant side