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CARBON DIOXIDE, urine (087-0536)
Test Mnemonic:

CO2 U
Methodology:

Enzymatic Endpoint
Performed:

Clinical Chemistry
Turnaround Time:

Routine: 8 hours, ASAP: 4 hours, STAT: 1 hour
Specimen Requirements: Collect: 24-hour Specimen - Discard the first early morning specimen. Start timing from this point. Collect all urine voided during the next 24 hours. Note the time that the last specimen is collected during this 24-hour period. This is the finish time that should be recorded on the lab request slip. Random Specimen:  plastic specimen cup with tight-fitting lid. (Min.: 7mL)  

Specimen Preparation: All samples should be delivered to the laboratory.

Storage/Transport:   Delivered to Sample Management. 

Stability: Room temperature, tightly capped  for ≤24 hours, Refrigerated  for ≤3 days, Frozen  for ≤1 month  

Causes for Rejection: Specimen collected in container with a preservative, incomplete and/or incorrect sample identification, improper storage/transport                        
Clinical Information:

If applicable, state clinical information that is required to be provided with specimen.
Reference Range:

By report (reports may vary based on instrumentation, patient age and sex)
Note:

24-hour Urine: Include start date and time, finish date and time, and total volume on request form.
CPT 4 Code:

82374
  Reviewed by Tho Nguyen, MT(ASCP) 7/5/13

When ordering tests for which Medicare or Medicaid reimbursement will be sought, physicians should only order tests that are medically necessary for the diagnosis or treatment of the patient.  Components of the organ or disease panels may be ordered individually.  The diagnostic information must substantiate all tests ordered and must be in the form of an ICD-9 code or its verbal equivalent.
   

 

 

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