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Lab Test Dictionary

Hepatosplenomegaly Panel, Plasma (HSMP)


Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)


Acid Schingomyelinase Deficiency; ASM Deficiency; Niemann-Pick type A; Niemann-Pick type B; Niemann-Pick type C; Cerebral cholesterinosis; Cerebrotendinous cholesterosis; Van Bogaert-Scherer-Epstein syndrome; Sterol 27-hydrolase deficiency; Ketosterols; Beta glucosidase deficiency

Specimen Type


Performing Lab

Mayo Medical Lab

Epic ID

Other Reference Test

Lab Test Days

Tuesday and Thursday; 8 A.M.

Standard TAT

2-8 Days

Collection Information

Specimen Required

1-2 mL Blood

Container Type

Lavender (EDTA)

Collection Instructions

Blood collected in a sodium heparin (green-top), lithium heparin (green-top) or ACD solution B (yellow-top) tube is also acceptable.

Processing Information - Lab Use Only

Transport Temperature


Specimen Stability

Room Temp=Unacceptable; Refrigerated=Unacceptable; Frozen=65 Days

Test Volume Required

0.3 mL Plasma

Minimum Test Volume

0.25 mL Plasma

Processing Instructions

Order in Mayolink and send with Mayo courier Monday-Friday.

CPT Codes