HCG, Serum or Plasma, Quantitative, Female Only
Test Code: HCGQ
CPT Code: 84702
Alert
Test is available STAT. Results within 1 hour of specimen receipt in performing lab.
Alternate IDs
LAB143
Synonyms
HCG; HCGQ; HCG Quant; Quantitative Pregnancy Test; Total β-hCG; Total Beta Human Chorionic Gonadotropin
Pediatric Collection
Whole Blood (1.2 mL) collected in a gold (SST), red, OR mint green (lithium heparin, PST) top tube.
Specimen Container
Serum or Plasma, one 5.0 mL gold (SST), 7.0 mL red, or 3.0 mL mint green top (lithium heparin, PST) top tube
Volume
1.0 mL Serum/Plasma
Minimum Collection Volume
0.5 mL Serum/Plasma (1.2 mL minimum whole blood draw)
Specimen Handling
Allow serum to clot completely at room temperature (minimum: SST - 30 minutes and red top tubes - 60 minutes). Centrifuge and separate serum or plasma from cells ASAP.
Unacceptable Conditions
Grossly hemolyzed specimens; Specimens thawed more than once
Methodology
Chemiluminescence Immunoassay
Stability
AFTER SEPARATION FROM CELLS:
PLASMA:
Room Temperature (18-26°C): 8 hours
Refrigerated (2-8°C): 48 hours
Frozen (≤ -20°C): 6 months
SERUM:
Room Temperature (18-26°C): 8 hours
Refrigerated (2-8°C): 7 days
Frozen (≤ -20°C): 6 months
DO NOT THAW MORE THAN ONCE
PLASMA:
Room Temperature (18-26°C): 8 hours
Refrigerated (2-8°C): 48 hours
Frozen (≤ -20°C): 6 months
SERUM:
Room Temperature (18-26°C): 8 hours
Refrigerated (2-8°C): 7 days
Frozen (≤ -20°C): 6 months
DO NOT THAW MORE THAN ONCE
Reference Range Information
Click link below for hCG reference intervals.
Schedule
7 days/week
Turn Around Time
24 hours
Place of Service
Labcorp at Legacy: Emanuel, Good Samaritan, Mount Hood, Meridian Park, Salmon Creek, and Silverton
Department
Chemistry; Chemistry, Immuno
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