From: Management and current status of spinal muscular atrophy: a retrospective multicentre claims database analysis
Disease classification
ICD9 code
SMA-I. Werdnig-Hoffmann syndrome
335.0
SMA-III. Kugelberg-Welander syndrome
335.11
SMA-II and SMA-IV
335.19
Progressive SMA and Duchenne-Aran
335.21
Unspecified SMA
335.10