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333.91 - Stiff-man Syndrome


The ICD 9 Code for Stiff-man syndrome is listed as 333.91.
Additional information concerning this code and description can be found below including ICD 10 crosswalks / GEMS, and chapter information where available.
ICD 9 CM Field Value
Diagnosis Code: 333.91
Long Description: Stiff-man syndrome
Short Description: Stiff-man syndrome
Chapter: Diseases Of The Nervous System And Sense Organs
Block: Hereditary And Degenerative Diseases Of The Central Nervous System (330-337)
ICD-10-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD-10-CM Code: G25.82 - Stiff-man syndrome
ICD-9-CM Siblings (same level / similar specificity) of 333.91:
333.90 - Unspecified extrapyramidal disease and abnormal movement disorder
333.92 - Neuroleptic malignant syndrome
333.93 - Benign shuddering attacks
333.94 - Restless legs syndrome (RLS)
333.99 - Other extrapyramidal diseases and abnormal movement disorders