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Test Code LAB5523 Parathyroid Hormone-Related Peptide, Plasma

Important Note

Mayo's test code: PTHRP

NOTE: Specimen must be transported on ICE

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Reporting Name

PTH-Related Peptide

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.


Reject Due To

Gross hemolysis Reject
Gross lipemia OK
Gross icterus OK

Specimen Stability Information

Specimen Type Temperature Time Special Container
Plasma EDTA Frozen 30 days

Specimen Minimum Volume

0.25 mL

Day(s) Performed

Monday through Thursday

Specimen Retention Time

14 days

Report Available

2 to 5 days

Reference Values

≤4.2 pmol/L

 

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

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.

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

Forms

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