HCG, Tumor Marker Level (Roche)

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General Information

Lab Name
HCG, Tumor Marker Level (Roche)
Lab Code
HCGTRD
Synonyms
BHCG, human chorionic gonadotropin
Components

Interpretation

Method

Electrochemiluminescence immunoassay (ECLIA)

Reference Range
Units: mIU/mL
Female Male Unknown
AgeRange AgeRange AgeRange
0-0-5 0-0-5

Effective date: 08/16/2026

Ref. Range Notes

Females:

  • Post-menopausal: 0-8 mIU/mL;
  • Pre-menopausal 0-2 mIU/mL.

Rare false positive HCG results possible (Lancet 2000, 355:p712). Results can be confirmed by a different HCG method. Call Lab Med Resident on call (206) 598-6190 for additional testing if desired.

Patient results determined by assays using different manufacturers, instruments, or methods may not be comparable.

Ordering & Collection

Specimen Type
Peripheral Blood
Collection

Specimen requirements:

  • Preferred specimen: 6 mL blood in RED TOP or GOLD SST tube
  • Acceptable specimen: ORANGE TOP RST, LIME GREEN PST, or LAVENDER TOP tube
Quantity
Requested: 2 mL serum
Minimum: 0.8 mL serum

Processing

Receiving Instructions

Collect 2.0 mL of blood in a gold-top (SST) tube; serum is preferred. Orange-top (RST) or plain red-top tubes are also acceptable. Gel tubes are acceptable. For non-separator tubes, separate the serum from the cells within two hours of collection.

Storage stability:

  • Room temperature: Up to 5 days
  • Refrigerated (2–8°C): Up to 14 days
  • Frozen (-20°C): Up to 12 months
  • Thawing: Freeze/thaw the sample only once
Misc Sendout

Performance

Lab Department
Chemistry, Automated Panels(CHA)
Frequency
Monday through Sunday
Available STAT?
No
Performing Location(s)

Billing & Coding

Interfaced Result Code
UOW6689