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Test Code GAA Acid Maltase Activity (Acid Alpha Glucosidase)

Collection Container

Lavender (EDTA)

Specimen Required


Other Acceptable Specimen Types

Pre-dried blood spots on a newborn screening card

Specimen Volume

5 mL

Minimum Specimen Volume

3 mL

Special Handling Instructions

Collect only on Monday through Thursday, must be received in the
Chemistry Lab by 2:00 pm


Enzyme activity

CPT Code