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Test Code PTHRP Parathyroid Hormone-Related Peptide (PTHrP), Plasma

Reporting Name

PTH-Related Peptide

Useful For

Diagnostic workup of patients with suspected hypercalcemia of malignancy

 

Diagnostic workup of patients with hypercalcemia of unknown origin

Method Name

Immunochemiluminometric Assay (ICMA)

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Plasma EDTA


Specimen Required


Patient Preparation: Fasting

Collection Container/Tube: Ice-cooled, lavender top (EDTA)

Submission Container/Tube: Plastic vial

Specimen Volume: 0.7 mL

Collection Instructions: Spin specimen down in a refrigerated centrifuge or in chilled centrifuge cups.


Specimen Minimum Volume

0.25 mL

Specimen Stability Information

Specimen Type Temperature Time
Plasma EDTA Frozen 90 days

Reject Due To

Hemolysis

Mild OK; Gross OK

Lipemia

Mild OK; Gross OK

Icterus

Mild OK; Gross OK

Other

NA

 

Reference Values

<2.0 pmol/L

Day(s) and Time(s) Performed

Monday through Thursday; 2 p.m.

CPT Code Information

82397

LOINC Code Information

Test ID Test Order Name Order LOINC Value
PTHRP PTH-Related Peptide 15087-0

 

Result ID Test Result Name Result LOINC Value
81774 PTH-Related Peptide 15087-0

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.