Synonyms
HPRT, HPGRT, APRT
Specimen Type
Blood Spots
Performing Lab
UCSD Biochemical Genetics
Epic ID
LAB0430
Lab Test Days
Monday-Friday
Standard TAT
12-16 Days
Collection Information
Specimen Required
3-5 Blood Spots
Container Type
Blood Spot Card
Collection Instructions
Fill 3-5 spots, allow to air dry for 4 hours after collection.
Processing Information - Lab Use Only
Transport Temperature
Ambient-Only
Test Volume Required
5 Blood Spots
Minimum Test Volume
3 Blood Spots
Processing Instructions
Complete UCSD Biochemical Genetics requistion and submit with specimen room temp.
Comments
The diagnosis of Lesch-Nyhan syndrom and variant forms depends on the assay of HPRT. The assay is radiochemical, and also measure Adenine Phosphoribosyl Transferase as an internal control. It is helpful to have a clinical history of the patient provided.
CPT Codes
82658
Revised
07-14-17
Initials
SL