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HelpTest Code LAB3139 HCG, Quant. (R/O Pregnancy)
Additional Codes
HCG QUANT
Clinical System Name
HCG, Quantitation (r/o Pregnancy)
Synonyms
HCG Quant
HCG, Quant (R/O Pregnancy)
HCG - for pregnancy
Sample Requirements
Specimen: Whole Blood
Container(s): Red, Gold SST, or Gold Microtainers
Preferred Vol: 2.0 mL
Minimum Vol: 1.0 mL
Note:
Processing Instructions
Reject due to: Plasma
Spin: Y
Aliquot: Y
Temp: -20 C
Storage Location: Freeze serum in an aliquot tube affixed with a large Cerner label in the CPA freezer, Send Outs rack. If ordered STAT during business hours, notify the Send Outs department. Otherwise, IMMEDIATELY send sample directly to UWMC for testing.
Off-site Collection: Spin specimen, aliquot, and transport refrigerated to Seattle Children's Main Lab.
Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Room Temp |
≤ 8 h |
| Refrigerated | ≤ 48 h | |
| Frozen | Indefinite |
Note: Sample can go through a single freeze/thaw cycle.
Availability
| STAT | Performed | TAT |
|---|---|---|
| Y |
Daily |
1 - 3 d |
Performing Laboratory
University of Washington Medical Center
Deptartment of Laboratory Medicine
1959 NE Pacific St, NW220
Seattle, WA 98195
Phone Number: (206) 520-4600
Department
Department: Send Outs
Phone Number: (206) 987-2563
CPT Codes
84702
Methodology
Method: Chemiluminescence
Analytical Volume: 0.5 mL Serum
Limitations:
Reference Range
| mIU/mL | |
| Negative | ≤5 |
| Indeterminate | 6 - 24 |
| Positive | ≥25 |
For an indeterminate result, retesting after 72 - 96 hours is suggested.
Send Out Instructions
| Reference Lab Test Name: |
Pregnancy (HCG), Serum |
| Reference Lab Test Code: | |
| Instructions: |
Send out daily with the UW courier. |