PTH, Intact and Calcium
Test code
CPT code(s)*
Test resources
Algorithm
Details
Methodology
PTH: Immunoassay (IA) • Calcium: Spectrophotometry (SP)
Alternative name(s)
Intact Hormone,Immunoreactive PTH,Sandwich PTH Assay,Monogram,PTH Whole Molecule
Specimen requirements | |
|---|---|
| Patient preparation | None Specified |
| Preferred specimen(s) | 1.5 mL plasma collected in EDTA (lavender-top) tube for the PTH, Intact and 1 mL serum for the Calcium |
| Alternative specimen(s) | 2 mL (1 mL minimum) frozen serum for PTH, Intact |
| Minimum volume | 1 mL EDTA plasma for PTH, Intact • 0.5 mL serum for Calcium |
| Collection instructions | Select a service area to view this section. |
| Transport container | Transport tube |
| Transport temperature | Select a service area to view this section. |
| Specimen stability | Select a service area to view this section. |
| Reject criteria | Gross hemolysis • Grossly lipemic • Plasma submitted in sodium heparin (green-top) tube or lithium heparin (green-top) tube |
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.
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