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Intact PTH with Calcium
MessageBiotin (doses >5 mg/day) -- wait at least 8 hours following the last biotin dose
Test Code
LAB813
CPT Codes
82310, 83970
Includes
Intact Parathyroid Hormone (PTH) with
Calcium
Calcium
Preferred Specimen
Preferred Specimen: EDTA plasma - PPT (white-top) tube preferred (Purple Top acceptable only if collected at main hospital)
*AND* a Light Green top (lithium heparin)
*AND* a Light Green top (lithium heparin)
Instructions
Centrifuge within 2 hours of collection, refrigerate within 4 hours
Specimen Stability:: 8 hours 15C-25C, 3 days refrigerated
Specimen Stability:: 8 hours 15C-25C, 3 days refrigerated
Transport Temperature
Refrigerated
Specimen Stability
3 days 15o-25o, 3 days refrigerated
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis; Insufficient quantity; Failure to follow stability requirements.
Methodology
Electrochemiluminescent immunoassay
Report Available
Within 24 hours of report run.
Limitations
Biotin (doses >5 mg/day) -- wait at least 8 hours following the last biotin dose
Reference Range
15 - 65 pg/mL
