Test Details
Mnemonic
BCTX
Ordering Code
3000907
CPT-4 Code(s)
82523
Specimen Information
Patient Preparation
Fasting recommended. An early morning specimen is preferred.
Collect
K2 EDTA
Specimen Preparation
Centrifuge, separate serum or plasma from cells. Send 1.0 mL serum or plasma in a screw capped plastic vial.
Alternate Specimen
Plasma: K3 EDTA
Serum: Separator tube (SST) or Red top
Serum: Separator tube (SST) or Red top
Minimum Volume
0.6 mL
Transport Temperature
Frozen
Rejection Criteria
Lipemia, Hemolysis, Heparin (sodium or lithium), Samples that exceed stability for specimen type.
Stability
Plasma:
Room temperature: 24 hours
Refrigerated: 8 days
Frozen: 28 days
Serum:
Room temperature: 6 hours
Refrigerated: 8 hours
Frozen: 28 days
Room temperature: 24 hours
Refrigerated: 8 days
Frozen: 28 days
Serum:
Room temperature: 6 hours
Refrigerated: 8 hours
Frozen: 28 days
Methodology
Chemiluminescence/IDS iSYS
Reference Range
ADULTS
Males >21 years of age 154-771 pg/mL
Pre-Menopausal Females 121-747 pg/mL
Post-Menopausal Females 189-1003 pg/mL
PEDIATRICS
MALES FEMALES
<=6 years 446-1756 pg/mL 179-1690 pg/mL
7-11 years 659-1975 pg/mL 300-1978 pg/mL
12-16 years 393-2131 pg/mL 151-1912 pg/mL
17-21 years 263-1554 pg/mL 109-1130 pg/mL
Males >21 years of age 154-771 pg/mL
Pre-Menopausal Females 121-747 pg/mL
Post-Menopausal Females 189-1003 pg/mL
PEDIATRICS
MALES FEMALES
<=6 years 446-1756 pg/mL 179-1690 pg/mL
7-11 years 659-1975 pg/mL 300-1978 pg/mL
12-16 years 393-2131 pg/mL 151-1912 pg/mL
17-21 years 263-1554 pg/mL 109-1130 pg/mL
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
Yes