Specimen:
Collect
- One Green Top (Li Heparin)
Also Acceptable:
- One Lavender (EDTA)
- One Pink Top (EDTA)
Submit
- 2 mL (Min:1.5 mL) Plasma in Standard Transport Tube. Submit Frozen. Submit in a Standard Transport Tube.
Also Acceptable:
- 2 mL (Min:1.5 mL) Plasma in Standard Transport Tube. Submit Frozen. Submit in a Standard Transport Tube.
- 2 mL (Min:1.5 mL) Plasma in Standard Transport Tube. Submit Frozen. Submit in a Standard Transport Tube.
Special Handling
- Patient Prep: Patient should avoid ingestion of vitamin C for 24 hours prior to sample collection
Specimen Preparation: Place tube on wet ice immediately after collection. Separate plasma from cells ASAP or within 1 hour of collection.
Rejection Criteria
- Serum
- Specimen not submitted frozen
- Whole blood
Stability
Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 Week(s); Incubated: Unacceptable
Methodology
- Quantitative Spectrophotometry
Performed
Monday
Reported
2-8 Day(s)
CPT Codes
- 83945
Components
- 90029 - OXALATE, QUANT
Last Updated: May 8, 2025 @ 9:13 am
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