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Test Code Lab348 UA Microscopic Only (This test is Lab Order only)

Performing Laboratory

Barnes-Jewish Hospital Laboratory

Methodology

Note: The preferred test for routine urinalysis is #LAB6558 UA Reflex Micro (UA Macroscopic with Reflex Microscopic, if Indicated).

Method Name:

Microscopic determination of formed elements in the urine sediment. Includes all formed elements in the urine.

Literature References:

  • AUTION MAXTM AX-4030 Operating Manual. ARKRAY, Inc.  5182 W 76th St., Minneapolis, MN May,2019  PN 84-02160K
  • Instructions for Use IQ200 Series. Beckman Coulter.  Lismeehan O’Callahan’s Mills CO Clare Ireland. July, 2020.PN:300-4320CE
  • AUTION Sticks 9EB.  ARKRAY, Inc.  5182 W 76th St., Minneapolis, MN May,2019  PN:CP73501-010D
  • Brunzel, N. A.: Fundamentals of Urine and Body Fluid Analysis, 4th ed., St. Louis, MO; Elsevier; 2018; pp. 68-210.

Specimen Requirements

Specimen Type: Urine, random
Container/Tube: UA preservative tube(Yellow/Ted top)
Specimen Volume: Full tube        Specimen Minimum Volume: 5 mL

Collection Instructions:

1. Collect a midstream voided specimen. Urine Collection

2. Using cannula in collection cup lid, fill tube

Additional Information:

1. Label tube with patient’s name and date of birth.

2. A catheterized specimen is acceptable.
3. Provide collection date and time, and speciemen source (method of collection).

4. If storage and transport is >1 hour, refrigerate specimen.

5. Specimen should be received in the laboratory within 2 hours of collection.

Day(s) Test Set Up

Monday through Sunday, 24 hours / 7 days a week

Turnaround Time (STAT, Routine)   

STAT: 1 hour after receipt in laboratory

Routine: 2-4 hours after receipt in laboratory

Test Classification and CPT Coding

UA Microscopic 81015

Reference Values

WBC: 0-5/hpf
RBC: 0-2/hpf

Squamous Epithelial cells 0-5/hpf

Hyaline Casts: 0-10/lpf

Other Casts: 0-0/lpf

Specimen Transport Temperature

Ambient <1 hour

Refrigerate >1 hour

Additional Information

For BJH Laboratory Use Only

Alternate Tube(s):

1 Yellow Top urine tube 

Analyte Stability:

Specimen should be received in the laboratory within 2 hours of collection. However, using a preservative tube extends the stability.

Laboratory Processing Instructions:

Test performed in BJH Core Lab. Performed on uncentrifuged urine using the Iris IQ200.

LOINC Code Information

Microscopic

Name             LOINC code

WBC, Ur

46702-7

RBC, Ur

46419-8

Epi, Squ Ur

33219-7

Epi Renal Ur

33221-3

Epi Trans Ur

33220-5

Bacteria

50221-1

Yeast

50240-1

Mucous

53321-6

Sperm

33232-0

Trich

50237-7

Amorphous

53329-9

Tripl PO4

33238-7

CaOX

33234-6

Uric Acid

33233-8

Leucine

50232-8

Tyrosine

50238-5

Cystine

33240-3

Other Crys

53334-9

Gran Cast

33341-9

WBC Cast

33228-8

RBC Cast

33229-6

Mixed cell Cast

53289-5

Waxy Cast

33230-4

Fatty Cast

33231-2

Epi Cast

53291-1

Hyaline cast

33223-9

Other ur

53333-1