Days Set Up
Wednesday
Analytic Time

3 - 10 days

MiChart Code
Cyclic AMP, Urine
Soft Order Code
CYCAU

Test Updated:

Synonyms

AMP, Cyclic
CYCLIC AMP, URINARY EXCRETION
C-CREAT
C-CREATU
CYCLIC AMP
CREATININE, SERUM
CREATININE, URINE

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Test Overview

Test Methodology

HPLC

Test Usage

Sometimes used in the differential diagnosis of hypercalcemia as urinary cyclic AMP excretion is generally elevated in primary hyperparathyroidism. Can also be useful as an adjunct to serum parathyroid hormone measurements, especially in the diagnosis of parathyroid hormone resistance states, such as pseudohypoparathyroidism.

Reference Range

1.3 - 3.7 nmol/dL of glomerular filtrate

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Offsite

Both serum and urine are required for this test. Serum must be obtained at time of urine collection. Collect serum in red top or SST tube. Centrifuge, aliquot serum into a plastic container and refrigerate. Collect random urine and freeze.

Yellow Top Tube
Normal Volume
Serum: 1 mL, Urine: 15 mL
Minimum Volume
Serum: 0.5 mL, Urine: 5.5 mL

Billing Information

CPT Code
82030
Pro Fee Code
 
LOINC
 

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Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.