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Test Code BLOD1041 Parathyroid Hormone-Related Peptide (PTHrP), Plasma

Important Note

Patient must fast for at least 8 hours prior to collection.

Additional Codes

Mayo Test Code: PTHRP

Useful For

Diagnostic workup of patients with suspected hypercalcemia of malignancy

 

Diagnostic workup of patients with hypercalcemia of unknown origin

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Plasma EDTA


Specimen Required


Patient Preparation: Fasting

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

Submission Container/Tube: Plastic vial

Specimen Volume: 0.7 mL

Collection Instructions: Spin specimen down in a refrigerated centrifuge or in chilled centrifuge cups.


Specimen Minimum Volume

0.25 mL

Specimen Stability Information

Specimen Type Temperature Time
Plasma EDTA Frozen 90 days

Reference Values

<2.0 pmol/L

Day(s) and Time(s) Performed

Monday through Thursday; 2 p.m.

Test Classification

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

CPT Code Information

82397

Reject Due To

Hemolysis

Mild OK; Gross OK

Lipemia

Mild OK; Gross OK

Icterus

Mild OK; Gross OK

Other

NA

 

Method Name

Immunochemiluminometric Assay (ICMA)