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Test Code UMAC Urine, Macroscopic

Specimen Type

Urine

Preferred Collection Container

MARBLE (Urine Preservative Gray Top tube transferred using the Urine Preservative Collection System)

Collection Instructions

Clean catch midstream urine should be collected. Refer to Collection of Clean Catch Midstream Urine Specimen Procedure located under Patient Collection Information.

Collection Volume

8 mL – both preservative and non-preservatice collection containers

Minimum Collection Volume

Marble Top Preservative collection container – Between 7 mL (min) and 8 mL (max), ensure that the specimen reaches the minimum fill line. See step 3 below in Transfer Instructions; Non-preservative collection container – 2 mL

Rejection Criteria

Centrifuge urine; Frozen urine; Non-preservative collection container: Volume <2 mL; Room Temperature > 2 hours; Refrigerated >24 hours; Yellow/Red marble top preservative tube: Volume <7 mL; Room Temperature or Refrigerated > 72 hours; Insufficient quantity; Fecal contamination; Foley catheter tips, urine from a ubag of a catheterized patient and 24 hour urine collections; Improper or Insufficient labeling; Very bloody to grossly bloody specimens; Urine collected in a gray top vacutainer (BD) preservative tube.

Specimen Storage and Stability

Sterile non-preservative collection container: Room temperature less than 2 hours; Specimen needs to be Refrigerated (2-8 C) if greater than 2 hours, 24 hours at 2-8 C.
Preservative urine collection tube: 72 hours at 2-25 C

Day(s) and Time(s) Performed

Monday through Sunday, 24 hours

Alias

Urinalysis, Macroscopic; Urine Dipstick; Multistick Urine;

Ordering Info

Testing cannot be performed on centrifuged urine. TEST INCLUDES: Specific Gravity, pH, protein, glucose, occult blood, ketones, bilirubin, urobilinogen, leukocyte esterase, nitrite

EPIC Code

LAB2098

Acceptable Collection Container

Marble Top Preservative Collection Container – Marble Top; Routine urine container

Transfer Instructions

Transferring Urine Samples to Preservative Tubes (Health Care Professionals Only)

Additional Information

Specimens must be refrigerated when analysis is delayed or collected in the yellow/red marble top vacutainer (BD) preservative tube.

Turn Around Time

Routine – 8 hours; STAT – 40 minutes

Lab Department

Chemistry