Specimen:
Collect
- One SST
Also Acceptable:
- One Green Top (Li Heparin)
- One Lavender (EDTA)
- One Pink Top (EDTA)
- One Red Top
Submit
- 1 mL (Min:0.3 mL) Serum . Submit Frozen. Submit in a Standard Transport Tube.
Also Acceptable:
- 1 mL (Min:0.3 mL) Plasma . Submit Frozen. Submit in a Standard Transport Tube.
Special Handling
- Allow specimen to clot completely at room temperature
- Avoid Repeated Freeze/Thaw Cycles
- Fasting Specimen is Preferred
- For patients receiving therapy with high biotin doses (>5 mg/day), no laboratory test specimen should be collected until at least 8 hours after the last biotin administration.
- If testing is delayed >24 hours, separate plasma/serum and freeze.
Stability
Ambient: 4 Hour(s); Refrigerated: 1 Day(s); Frozen: 1 Month(s); Incubated: Unacceptable
Methodology
- Electrochemiluminescence Immunoassay (ECLIA)
Performed
Mon-Fri
Reported
1-3 Day(s)
CPT Codes
- 84681
Interpretive Data
General Reference Range : 1.10-4.40 ng/mL
Biotin in specimens taken from patients on high-dose biotin therapy or supplements may intefere with this test and cause inaccurate test results. It is recommended that for patients receiving therapy with high biotin doses (> 5 mg/day), no laboratory test specimen should be collected until at least 8 hours after the last biotin administration.
Biotin in specimens taken from patients on high-dose biotin therapy or supplements may intefere with this test and cause inaccurate test results. It is recommended that for patients receiving therapy with high biotin doses (> 5 mg/day), no laboratory test specimen should be collected until at least 8 hours after the last biotin administration.
Components
- 2064 - C-PEPTIDE
Last Updated: December 10, 2024 @ 10:13 am
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