Urinalysis with possible Microscopic
DAYS SET: Daily
TAT: 4 hrs
CPT: 81003 or 81001
12 ml Random Urine
1.0 ml Random Urine
Deliver specimen to the laboratory as soon as possible after collection. Testing is optimal if done within one - two hours
of collection. Refrigerate specimen if delay is anticipated.
Microscopic will be performed on hospital patients if any of the following are positive: Leukocyte esterase,
Nitrite, Blood, Protein. A microscopic will always be performed if the patient age is less than two months old.
A urine culture will be performed on patients if older than two months of age
and WBC is greater than 10 WBCs per field.
CAUSES FOR SPECIMEN REJECTION:
Specimen held unrefrigerated for more than two hours.
Specimen older than eight hours post collection (refrigerated or not).
Specific gravity, 1.015-1.025