Cyclic AMP, Urine
| Abbrev Code: | MMMISC | ||
| Order Code: | LAB4909 | Order Name: | Laboratory Miscellaneous Order |
| Methodology: | Enzymatic colorimetric assya; High performance liquid chromatography (HPLC) | ||
| CPT Codes: | 82030 x1 | ||
| 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. | ||
| Compliance: | 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. |
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| Associated Links: | |||
Collection Instructions
| Specimen: | Urine and blood |
| Optimal Volume: | 2 mL blood and 14 mL urine |
| Minimum\Peds Volume: | 1.2 mL blood and 5.5 mL urine |
| Container: | Red or gold (gel), Plastic leakproof container, sterile Alternate Containers: Red (no gel), Plastic leakproof container, sterile |
| 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. |
| Stability: | Stability: Serum sample 7 days refrigerated and 90 days frozen. Urine samples 14 days frozen. |
| Test Performed at or Referral Lab | Lab Sendouts (Mayo Medical Laboratories) |
| Referral Lab number: | GRP |
Interpretive
| Reference Range: |
1.3-3.7 nmol/dL of glomerular filtrate
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| Use: |
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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