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Geisinger Medical Laboratories Test Catalog
MYOGLOBIN, URINE |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB2734 Geisinger Epic ID: 6857 | |
SPECIMEN COLLECTION |
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Specimen type: |
Urine | |
Preferred collection container: |
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Specimen required: |
4 mL of a random urine collection submitted in a Myoglobin Transport Tube within 1 hour of collection. For collections outside of GMC or GWV you must make arrangements to either have a Myoglobin Transport Tube on hand or deliver the urine specimen to Referred Tests within one hour of collection. | |
Special notes: |
Add exactly 4 mL random urine to a Myoglobin Transport tube, within 1 hour of collection. Freeze and ship frozen. Exactly 4 mL of urine in the Myoglobin Transport tube is required to achieve the required pH of >8.0; more than 4 mL of urine will lower the pH outside acceptable range. | |
| SPECIMEN PROCESSING |
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Specimen processing instructions: |
Freeze in Myoglobin Transport Tube. | |
Transport temperature: |
Frozen. | |
Specimen stability: |
Room temperature: Unacceptable. Refrigerated: 72 hours. Frozen: 72 hours. | |
Rejection criteria: |
Specimens transported at room temperature. Received in a non-Myoglobin Transport tube. pH < 8.0. | |
TEST DETAILS |
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Reference interval: |
<28 mcg/L | |
CPT code(s): |
83874 | |
| Note: The billing party has sole responsibility for CPT coding. Any questions regarding coding should be directed to the payer being billed. The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only. | ||
Test includes: |
Concentration of myoglobin in urine. | |
Methodology: |
Nephelometry |
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Synonyms: |
Myoglobin urine quantification, MYOU Quest code 661
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Clinical significance: |
The breakdown of skeletal muscle (rhabdomyolysis) releases myoglobin. Very high concentrations of myoglobin may increase the risk of acute renal failure. | |