| Test Name: |
MYOGLOBIN, URINE |
| Test Code: |
2198079 |
| Alias: |
LAB412
|
| CPT Code(s): |
83874
|
| Preferred Specimen: |
4.0 mL random urine submitted in a Myoglobin transport tube |
| Container: |
Myoglobin transport tube |
| Minimum Volume: |
4.0 mL urine |
| Collection Instructions: |
Add exactly 4 mL random urine to a myoglobin transport tube within one hour of collection. Freeze and ship frozen.
Transport tube, product #177447, is available through Client Supply.
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.
|
| Transport Temperature: |
Frozen |
| Stability: |
Room temperature: unacceptable
Refrigerated: 72 hours
Frozen: 72 hours |
| Rejection Criteria: |
Received in a non-Myoglobin transport tube
Specimen received past stability
pH <8.0
Timed urine
More than 4 mL urine in Myoglobin transport tube
Received room temperature |
| Limitations: |
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes. |
| Additional Information: |
Note: Myoglobin in urine is very unstable unless the pH is between 8.0 and 9.0.
Collect and ship specimens Monday-Thursday only. |
| Schedule: |
Set up: Mon-Sat 10:00 a.m.; Report available: 2-3 days |
| Method: |
Nephelometry |
| Performing Lab: |
Quest Diagnostics, Valencia; #661
|
| Clinical Significance: |
The breakdown of skeletal muscle (rhabdomyolysis) releases myoglobin. Very high concentrations of myoglobin may increase the risk of acute renal failure. |
| Use: |
Updated 03/20/2024 |
| Reference Ranges: |
<28 mcg/L |
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The CPT codes included in this publication are in accordance with Current Procedural Terminology, a publication of the American Medical Association. CPT codes are provided here for the convenience of our clients; however, correct coding often varies from one carrier to another, and HealthLab may bill specific carriers using codes other than those shown. Clients who bill for services should verify the code(s) with the applicable payor to confirm that their use is appropriate in each case.
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| Test Type: |
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