Urinalysis with Reflex to Microscopic Examination and Urine Culture

Synonyms

• CULTURE
• LAB3094
• UA
• UAX
• URINALYSIS WITH MICROSCOPIC (REFLEX CULTURE IF INDICATED)
• URINALYSIS WITH RFLX CULTURE
• URINE

Cerner Name

Urinalysis with Rflx Culture

Clinical Info

MUST submit 2 separate urine specimens (one BD yellow-top or speckle-top urinalysis collection tube and one BD gray-top urine culture tube)

Hospitals Containers: UA/Culture
Huntington - Yellow Top/ Gray Top
NSUH - Yellow Top/ Gray Top
At Northwell Core Lab, specimen will reflex to urine culture if any one of the following criteria is met:
1. Positive nitrite
2. Positive leukocyte esterase
3. Bacteria >= Moderate
4. > 5 WBC/hpf
At Northwell Hospital Labs, specimen will reflex to urine culture if any one of the following criteria is met:
1. >10 WBC/hpf
2. Leukocyte esterase: if abnormal (except Trace)

Specimen Sources

Kidney, Left Kidney, Right Ureter, Left Ureter, Right Urethra Urine, Catheter Urine, Clean Catch Urine, Suprapubic

Specimen Types

Urine

Specimen Volume

10 mL from a random urine (5 mL min) for UA and 4 mL in culture tube for culture

Container

Preferred: BD Vacutainer Urine Preservative tube and BD urine transport culture tube
OR
Urine in standard sterile urine collection cup (if received in the lab within 2 hours from collection)

Collection Instructions

A clean-catch midstream specimen is desirable
Specimen:  10 mL from a random urine (5 mL min) for UA and 4 mL in culture tube for culture

Transport Instructions

Refrigerated.

Specimen Stability

24 hrs. Refrigerated

Methodology

Chemstrip
Culture

Days Performed

Monday through Sunday

Performing Laboratories

Northwell Health Laboratories

CPT

81001
87086 if required

PDM

5600046

Ordering Instructions

MUST submit 2 separate urine specimens (one BD yellow-top urinalysis collection tube and one BD gray-top urine culture tube) Specimen will reflex to a routine urine culture if any one of the following criteria is present: 1. >10 WBC/hpf 2. Abnormal Leukocyte (except Trace)

Results

Result Interpretation

Forms

• Urinalysis (UA) Urinalysis with Microscrope (UAM) Urinalysis with Rflx Culture (UAX) Test Update 4-5
• Urinalysis-Urine Culture Collection Update 6-page 4-19-2022