Cyclic AMP, Urine
|Epic Code:||LAB4909||Epic Name:||Misc Lab Send Outs|
|Methodology:||Enzymatic colorimetric assya; High performance liquid chromatography (HPLC)|
|CPT Code:||82030 (Pricing not available)|
|Turnaround Time:||Specimens are sent to reference laboratory Mon-Fri; results are reported within 2-9 days.|
|Special Instructions:||Both urine and serum are required.|
This test was developed and its performance characteristics determined by Laboratory Medicine and Pathology, Mayo Clinic. This test has not been cleared by the U.S. Food and Drug Administration.
|Specimen:||Urine and blood|
|Optimal Volume:||2 mL blood and 14 mL urine|
|Minimum Volume:||1.2 mL blood and 5.5 mL urine|
|Container:||Red or gold (gel); Plastic leakproof container, sterile. Alternate: Red (no gel).|
|Collection Instructions:||Both serum and urine are required for testing.|
Processing and Shipping
|Specimen Processing:||Centrifuge and aliquot 1 mL, 0.5 mL minimum. Aliquot 14 mL, 5.5mL urine. Indicate specimen type on each sample. Store frozen.|
|Shipping Instructions:||Ship frozen.|
|Test Performed at or Referral Lab||Lab Sendouts (Mayo Medical Laboratories)|
|Referral Lab number:||GRP|
1.3-3.7 nmol/dL of glomerular filtrate
Urinary cyclic AMP is elevated in about 85% of patients with hyperparathyroidism and in about 50% of patients with humoral hypercalcemia of malignancy.
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