Urinalysis Department Announces Change in Urine Critical WBC / Culture Reflex Values

Urinalysis Department Announces Change in Urine Critical WBC / Culture Reflex Values

With the automation of our urine microscopic exams we have changed our critical value levels for white blood cells. Please note the following changes:

Previous Critical Values New Critical Values
Adult males: >10 WBCs/HPF Adult males: >15 WBCs/HPF
Adult females: TNTC WBCs/HPF Adult females: >49 WBCs/HPF
(Previously >50)
Children under 10: >10 WBCs/HPF Children under 10: > 9 WBCs/HPF
(Previously >10)

In addition, our Conditional Urinalysis test will now reflex to a urine culture based entirely on WBC count. Please note the following changes:

Previous Reflex Values New Reflex Values
Males: >3 WBCs/HPF, and/or: 3+ bacteria, 3+ yeast Males: >9 WBCs/HPF
(Previously >10)
Females: >10 WBCs/HPF, and/or: 3+ bacteria, 3+ yeast Females: >9 WBCs/HPF
(Previously >10)
    Children under 10: > 9 WBCs/HPF

New Expert Rule: Conditional UA #15015: Reflex culture if WBC is 10-15 or higher. Add "Culture to follow" or "Culture not indicated" to test comment.