Test Details
Mnemonic
AMAPQ
Ordering Code
3500360
CPT-4 Code(s)
82139
Specimen Information
Patient Preparation
Adults: fasting specimen preferred
Children: pre-feed specimens preferred
Children: pre-feed specimens preferred
Collect
Green sodium or lithium heparin
Specimen Preparation
Centrifuge and separate plasma from cells within 2 hours of collection avoiding buffy coat material. Send 0.5 mL plasma frozen in a screw capped plastic vial. CRITICAL FROZEN.
Clinical indication is needed for appropriate interpretation; additional required information includes age, sex, diet (e.g., TPN therapy) drug therapy and family history.
Separate specimens must be submitted when multiple tests are ordered.
Clinical indication is needed for appropriate interpretation; additional required information includes age, sex, diet (e.g., TPN therapy) drug therapy and family history.
Separate specimens must be submitted when multiple tests are ordered.
Minimum Volume
0.25 mL
Transport Temperature
Critical frozen
Rejection Criteria
Hemolyzed specimens
Stability
Room temperature: Unacceptable
Refrigerated: 24 hours
Frozen: 30 days
Refrigerated: 24 hours
Frozen: 30 days
Methodology
Quantitative Liquid Chromatography/Tandem Mass Spectrometry
Reference Range
See report
Performing Laboratory
ARUP Reference Laboratory
New York DOH Approval Status
Yes