G83.5 Locked-in state

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

Applies from G83 Other paralytic syndromes

Includes

• paralysis (complete) (incomplete), except as in G80-G82

Notes

• This category is to be used only when the listed conditions are reported without further specification, or are stated to be old or longstanding but of unspecified cause. The category is also for use in multiple coding to identify these conditions resulting from any cause.

Risk adjustment (HCC)

• CMS-HCC V28: HCC 254 — Monoplegia, Other Paralytic Syndromes
• CMS-HCC V22: HCC 104 — Monoplegia, Other Paralytic Syndromes
• ESRD V24: HCC 104

MS-DRG index

Defines the logic of DRG(s) 091-093 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 344.81 Locked-in state

Code annotations containing back-references to G83.5

Back-references to G83.5

• Use Additional: I69.06 Other paralytic syndrome following nontraumatic subarachnoid hemorrhage ("locked-in state (G83.5)")
• Use Additional: I69.16 Other paralytic syndrome following nontraumatic intracerebral hemorrhage ("locked-in state (G83.5)")
• Use Additional: I69.26 Other paralytic syndrome following other nontraumatic intracranial hemorrhage ("locked-in state (G83.5)")
• Use Additional: I69.36 Other paralytic syndrome following cerebral infarction ("locked-in state (G83.5)")
• Use Additional: I69.86 Other paralytic syndrome following other cerebrovascular disease ("locked-in state (G83.5)")
• Use Additional: I69.96 Other paralytic syndrome following unspecified cerebrovascular disease ("locked-in state (G83.5)")

Diagnosis Index entries for G83.5

• Locked-in state
• State (of) › locked-in

Nearby codes

• G83.31 Monoplegia, unspecified affecting right dominant side
• G83.32 Monoplegia, unspecified affecting left dominant side
• G83.33 Monoplegia, unspecified affecting right nondominant side
• G83.34 Monoplegia, unspecified affecting left nondominant side
• G83.4 Cauda equina syndrome
• G83.5 Locked-in state (this code)
• G83.8 Other specified paralytic syndromes
• G83.81 Brown-Sequard syndrome
• G83.82 Anterior cord syndrome
• G83.83 Posterior cord syndrome
• G83.84 Todd's paralysis (postepileptic)