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PARATHYROID HORMONE – INTACT (087-0078)
Test Mnemonic:

  PTH-CA
Methodology:

  Chemiluminescence
Performed:

  Clinical Chemistry
Turnaround Time:

  Test is performed Monday - Friday (7 am - 3:30 pm).
Specimen Requirements: Patient Preparation: Overnight fast

Collect: Routine venipuncture; AM collection preferred. 7 mL SST (gel barrier) tube

Storage/Transport: Preferred: Centrifuge the specimen in a refrigerated centrifuge, remove serum from red cells and freeze serum immediately.

Causes for Rejection:  Not on ice or not frozen appropriately. See special instructions. Plasma samples will be rejected.
Clinical Information:

If applicable, state clinical information that is required to be provided with specimen.
Reference Range:

By report (reports may vary based on instrumentation, patient age and sex)
Note:

  PTH requires serum calcium determination.

CPT 4 Code:

 83970
7/13/12 Reviewed by Tho Nguyen, MT(ASCP)

When ordering tests for which Medicare or Medicaid reimbursement will be sought, physicians should only order tests that are medically necessary for the diagnosis or treatment of the patient.  Components of the organ or disease panels may be ordered individually.  The diagnostic information must substantiate all tests ordered and must be in the form of an ICD-9 code or its verbal equivalent.
   
 

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