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Test Code PTHRP 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.

Method Name

Immunochemiluminometric Assay (ICMA)

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Plasma EDTA


Specimen Required


Supplies: Sarstedt Aliquot Tube, 5 mL (T914)

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
Plasma EDTA Frozen 30 days

Reject Due To

Gross hemolysis Reject
Gross lipemia OK
Gross icterus OK

Reference Values

≤4.2 pmol/L

 

Reference values have not been established for patients younger than 1 year.

Day(s) Performed

Monday through Thursday

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. It has not been cleared or approved by the US Food and Drug Administration.

Report Available

2 to 5 days