Geisinger Medical Laboratories Test Catalog
URINALYSIS, REFLEX TO URINE ALBUMIN-CREATININE RATIO |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB3445 Geisinger Epic ID: 119772 | |
SPECIMEN COLLECTION |
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Specimen type: |
Random urine | |
Preferred collection container: |
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Specimen required: |
20 mL of urine; minimum 8 mL. Smaller volumes may be tested with appropriate comment entered on report. | |
Special notes: |
Urine specimens containing preservatives are not acceptable for urine albumin-creatinine ratio. | |
SPECIMEN PROCESSING |
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Specimen processing instructions: |
Two aliquots are to be made: Preserved aliquot for urinalysis. Unpreserved aliquot for urine albumin-creatinine ratio. Urine grey top tube C&S Preservative tube not acceptable. | |
Transport temperature: |
Refrigerated. | |
Specimen stability: |
See Urinalysis with Microscopic Exam and Albumin/Creatinine Ratio, Urine | |
Rejection criteria: |
Urine specimens containing preservatives are not acceptable for urine albumin-creatinine ratio. | |
TEST DETAILS |
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Reference interval: |
Color: Colorless, Straw, Yellow (Light / Dark) Clarity: Clear Specific gravity: 1.003 - 1.030 Esterase: Negative Nitrite: Negative pH: 5-7.5 Protein: Negative Glucose: Negative Ketone: Negative Urobilinogen: Normal (0.2 to 1.0 mg/dL) Bilirubin: Negative Blood: Negative WBC: 0-2/HPF RBC: 0-2/HPF Bacteria: 0-25/HPF |
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Interpretation guide: |
Urine Albumin/Creatinine Ratio is reflexively added when urine protein result on urinalysis is greater than or equal to 30 mg/dL. | |
CPT code(s): |
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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: |
Urinalysis with reflex to microscopy. Urine Albumin/Creatinine Ratio (if applicable). | |
Methodology: |
Colorimetric and microscopic examination (Urinalysis), Immunoturbidity (Urine albumin), Enzymatic (Urine Creatinine) |
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Synonyms: |
UA ACR, microalbumin
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Clinical significance: |
Urine Albumin is a sensitive marker of nephropathy. It is used to screen for early renal disease in diabetic patients. | |
Doctoral Director(s:) |
Hoi-Ying Elsie Yu, PhD, DABCC Sheng-Ying (Margaret) Lo, PhD, DABCC |
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Review Date: | 12/14/2022 |
Performing Locations
Geisinger Wyoming Valley Medical Center
Geisinger Shamokin Area Community Hospital