G25.82 Stiff-man syndrome

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

Applies from G25 Other extrapyramidal and movement disorders

Excludes2 (not included here)

• sleep related movement disorders (G47.6-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 333.91 Stiff-man syndrome

Code annotations containing back-references to G25.82

Back-references to G25.82

• Type 1 Excludes: M62 Other disorders of muscle ("stiff-man syndrome (G25.82)")

Back-references to G25

• Type 2 Excludes: F98.4 Stereotyped movement disorders ("movement disorders of organic origin (G20-G25)")
• Type 1 Excludes: R25 Abnormal involuntary movements ("specific movement disorders (G20-G26)")

Diagnosis Index entries for G25.82

• Stiff-man syndrome
• Syndrome › stiff man

Nearby codes

• G25.70 Drug induced movement disorder, unspecified
• G25.71 Drug induced akathisia
• G25.79 Other drug induced movement disorders
• G25.8 Other specified extrapyramidal and movement disorders
• G25.81 Restless legs syndrome
• G25.82 Stiff-man syndrome (this code)
• G25.83 Benign shuddering attacks
• G25.89 Other specified extrapyramidal and movement disorders
• G25.9 Extrapyramidal and movement disorder, unspecified