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Test Code PTHRP Parathyroid Hormone-Related Peptide, Plasma

Important Note

Collection Instructions: Collect in pre chilled lavender

 Spin specimen down in a refrigerated centrifuge or in chilled centrifuge cups.

Aliquot plasma from parent tube into an aliquot tube before freezing.

Additional Codes

Mayo Code
PTHRP
EPIC Code
LAB704
Beaker Code
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
Bronson Laboratory Services Note:

Prechilled Lavender


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.


Specimen Minimum Volume

0.25 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Plasma EDTA Frozen 30 days

Reject Due To

Gross hemolysis Reject
Gross lipemia OK
Gross icterus OK
Bronson Laboratory Services Note:

For lab staff only: If the specimen is not spun within 30 minutes, per Mayo, the specimen is acceptable up to 2 hours after collection. 

 

*This test is not available as an add-on.

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

Forms

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