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Test Code LAB704 Parathyroid Hormone-Related Peptide, Plasma

Additional Codes

Mayo Test ID
PTHRP

Reporting Name

PTH-Related Peptide

Useful For

Aiding in the evaluation of individuals with hypercalcemia of unknown origin

 

Aiding in the evaluation of individuals with suspected humoral hypercalcemia of malignancy

 

The test should not be used to exclude cancer or screen individuals with tumors for humoral hypercalcemia of malignancy.

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Plasma EDTA


Specimen Required


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

Submission Container/Tube: Plastic vial

Specimen Volume: 0.7 mL

Collection Instructions:

1. Centrifuge specimen in a refrigerated centrifuge or in chilled centrifuge cups.

2. Aliquot plasma into plastic vial and freeze.


Barnes-Jewish Hospital Note:

Send original tube on wet ice.

Specimen Minimum Volume

0.25 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Plasma EDTA Frozen 30 days

Reference Values

≤4.2 pmol/L

Day(s) Performed

Monday through Thursday

Test Classification

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

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

Report Available

2 to 5 days

Method Name

Immunochemiluminometric Assay (ICMA)

Forms

If not ordering electronically, complete, print, and send a General Request (T239) with the specimen.

Barnes-Jewish Hospital Additional Information:

For BJH Laboratory Use Only

Laboratory Processing Instructions:
Call Laboratory Medicine resident at digital pager 314-747-1320 for approval before drawing the specimen.

BJH Core Laboratory will forward to the performing laboratory. Specimen must be received on wet ice.