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Test Code PTHRP Parathyroid Hormone-Related Peptide, Plasma

Additional Codes

Epic Ordering Code LAB2404
NBS code LBC00768
Service code 36941

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.


National University Hospital-Singapore Note:

NUH Outreach Laboratories:
Specimen Requirements
Submit the following:
Container: Ice-cooled Purple Top
Place specimen on wet ice and keep cold at all times following collection.
Processing Requirements
Centrifuge cold and aliquot plasma into a Mayo plastic tube. Freeze immediately
Specimen type: Plasma
Volume: 0.7 mL
Storage/transport requirements: Frozen

Forms

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

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

Method Name

Immunochemiluminometric Assay (ICMA)

Day(s) Performed

Monday through Thursday

Report Available

2 to 5 days
National University Hospital-Singapore Note:

Please note that this is a referral test requiring transport to the external testing facility and an additional 3-5 days is required.

Reference Values

≤4.2 pmol/L

 

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

Performing Laboratory

Mayo Clinic Laboratories in Rochester

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

Secondary ID

81774

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.
National University Hospital-Singapore Additional Information:

Last updated 04/08/2026