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HCG, TUMOR MARKER, QUANTITATIVE

Mnemonic

HCGM

Synonym

Total Beta-Human Chorionic Gonadotropin – Total β-hCG – HCG Tumor

Guidelines

HCG Tumor Marker measures both Intact and Free β-hCG in a single result.

Specimen Collection Requirements

Collect

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

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. If samples are frozen, thaw only once before testing.

Preferred Volume

1.0 mL Serum/Plasma

Minimum Volume

0.5 mL Serum/Plasma (1.2 mL minimum whole blood draw)

Transport

Refrigerated (2-8°C)

Rejection Criteria

Grossly hemolyzed specimens

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

Testing Information

Performed

Mon - Fri and a single run on the weekend

Reported

24-48 hours

Method

Chemiluminescent Immunoassay

Reference Values

Reference Values

MALE:     0-3 mIU/mL
NON-PREGNANT FEMALE:     0-5 mIU/mL

CPT Codes

84702

Last Updated: Thursday, March 16, 2017 02:46:59 PM


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