RED BLOOD CELL PURINE NUCLEOSIDE PHOSPHORYLASE (082-7240)

CPT 4 Code: 83915

Lab: Pediatric Immunology

Request Form: Clinical Immunology

Collection: Routine venipuncture

Storage Instructions: Deliver immediately; room temperature.

Causes for Rejection: Unlabeled specimen, insufficient volume, clotted sample, sample too old

Availability: Samples must be delivered to Pediatric Immunology/Allergy, 8 AM-5 PM, Monday-Friday, Room C2.360, Children's Hospital.

Turnaround Time: Routine: 24 hours

Special Instructions: Call ahead to schedule, 409-772-2658.

Specimen: Blood

Volume: 5 mL blood

Minimum Volume: 3 mL blood

Container: Green-topped (heparin) vacutainer

Reference Ranges: 19.58 + 12.58

Methodology: Quantitation of Purine Salvage pathway enzymes by spectrophotometer