42100:MICROALBUMIN, TIMED URINE
Author PeaceHealth Laboratories
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| Alias Names: |
Albumin / Alb / Mic Alb |
| Methodology: |
Nephelometry (NEPH) |
| Edit Date: |
4/19/2010 |
| Performed: |
Daily |
| Released: |
Same day as tested |
| CPT Code: |
82043 |
| Specimen Collection Details |
| Collection: |
Timed urine collection in a sterile plastic container. Do not add preservatives. Refrigerate during collection, storage, and transportation. Note date and times collection started and stopped. For 24-hour collection see Microalbumin, 24-hour Urine (42101) |
| Handling: |
Measure total volume, mix well and pour off a 25 mL aliquot into a sterile plastic container, or submit total urine collection. Refrigerate. Record total volume and collection times with aliquot. |
| Stability: |
8 days refrigerated. Unstable frozen. |
| Standard Volume: |
25 mL aliquot or total urine collection. |
| Minimum Volume: |
5 mL urine. |
| Transport: |
Refrigerated. |
| Rejection Criteria: |
Specimen frozen, contaminated with blood, or containing preservatives. |
|
|
< 20 µg/min |
normal |
|
20-200 µg/min |
microalbuminuria |
|
> 200 µg/min |
macroalbuminuria |
| |