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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 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

Collection Instructions

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

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

Turn Around Time

Routine – 8 hours; STAT – 40 minutes

Lab Department

Chemistry

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.

Day(s) and Time(s) Performed

Monday through Sunday, 24 hours