Sialic Acid

Abbrev Code:XMISC   
Order Code:LAB4909Order Name:Sialic Acid
Methodology:Barbituric acid method
CPT Codes: 84275 x1
Test Includes:Total and free sialic acid
Turnaround Time:Specimens are sent to reference laboratory Mon-Thur before 1300 only; results are reported within 21 days.
Associated Links:

Greenwood Genetic Center Request Form, Urine Collection Procedure

Collection Instructions

Optimal Volume:20 mL
Minimum\Peds Volume:10 mL
Container:Plastic leakproof container, sterile

Processing and Shipping

Specimen Processing:Do not process. Freeze on dry ice.
Shipping Instructions:Ship on dry ice to arrive within 24 hours of collection.
Test Performed at or Referral Lab Lab Sendouts  (Greenwood Genetic Center)


Use:To rule out a sialic acid storage disorder. Abnormalities of sialic acid metabolism may be suspected in infants with failure to thrive, growth concerns, developmental regression, hepato-splenomegaly, coarsening facial features, and/or hair/skin pigmentation failure. Abnormalities of sialic acid metabolism almost always lead to both physical and mental deterioration.

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