ICD-10-CM > E00-E89 > E70-E88 > E75 > E75.2 > E75.24 E75.24 Niemann-Pick disease Non-Billable/Non-Specific Applicable To Acid sphingomyelinase deficiency (ASMD) Codes E75.240Niemann-Pick disease type AE75.241Niemann-Pick disease type BE75.242Niemann-Pick disease type CE75.243Niemann-Pick disease type DE75.244Niemann-Pick disease type A/BE75.248Other Niemann-Pick diseaseE75.249Niemann-Pick disease, unspecified