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Test Code URIN1 Urinalysis Reflex to Culture

Clinical Information

To detect abnormalities of the urine, renal disease, urinary tract  infection,  among other disorders.

Synonym

  • URIN1

Profile Information

Reporting Name Available Separately Always Reported
Color No Yes
Clarity No Yes
Glucose Urine No Yes
Ketones Urine No Yes
Specific Gravity Urine Yes Yes
Blood Urine No Yes
pH Urine Yes Yes
Protein Urine No Yes
Urobilinogen Urine No Yes
Nitrites Urine No Yes
Leukocyte Esterase No Yes
RBC Urine No Yes
WBC Urine No Yes
Squamous/Epithelial Cells No Yes
Bacteria No Yes
Renal Tubular Cells No No
Amorphous Crystals No No
Calcium Oxalate Crystals No No
Uric Acid Crystals No No
Leucine Crystals No No
Tyrosine Crystals No No
Cholesterol Crystals No No
Cystine Crystals No No
Triple Phosphate Crystals No No
Calcium Phosphate Crystals No No
Calcium Carbonate Crystals No No
Starch Granules Crystals No No
Unclassified Crystals No No
Hyaline Casts No No
Granular Casts No No
Waxy Casts No No
Broad Casts No No
WBC Casts No No
WBC/Renal Tubular Epithelial Casts No No
Renal Tubular Epithelial Casts No No
RBC Casts No No
Fatty Casts No No
Mucus No No
Yeast/Fungi No No
Trichomonas No No
Spermatozoa No No
Fibers No No
Fecal Contamination No No

Specimen Required

Preferred Container/Tube: Urine Container
Acceptable Container/Tube: Urine Container
Specimen Volume: 5 mL

Specimen Stability Information

Ambient: 
   Non-preservative tubes: 2 hours
   Preservative tubes: 72 hours
   NOTE: Preservative specimens are accepted but are not recommended.
Refrigerated: 8 hours

Rejected Due To

  • Unlabeled specimens
  • Ambient specimens >2 hours old
  • Specimens with fecal or vaginal contamination
  • Use of boric acid urine preservative
  • Specimens in collection cups

Testing Algorithm

If WBC is >10/HPF then the Urine Culture (LAB239) will be performed at an additional charge.

Reflex Tests

Reporting Name Available Separately Always Reported
Urine Culture Yes No

Interpretation

Color: Yellow
Apearance: Clear
Glucose Urine: Negative
Ketones Urine: Negative
Specific Gravity Urine: 1.001-1.035
Blood Urine: Negative
pH Urine: 5.0, 5.5, 6.0, 6.5, 7.0
Protein Urine: Negative
Urobilinogen Urine: 0.2 E.U./dL, 1.0 E.U./dL
Nitrite Urine: Negative
Leukocyte Esterase: Negative
RBC Urine: 0-2 / HPF
WBC Urine: 0-5 /HPF
Squamous/Epithelial Cells: 0-2/hpf, 3-5/hpf = 1+
Bacteria: Absent
Renal Tubular Cells: 0-2/hpf
WBC Casts: Absent
WBC/Renal Tubular Cells: Absent
RBC Casts: Absent
Yeast/Fungi: Absent
Trichomonas: Absent
Leucine Crystals: Absent
Tyrosine Crystals: Absent
Cystine Crystals: Absent
Triple Phosphate Crystals: Absent

Cautions

Substances/conditions that cause abnormal urine color may affect the readability of reagent areas on urinalysis dipstick reagent strips and may cause false positive or false negative results. 

Insufficient urine volume can produce erroneous results, including falsely decreased urine microscopic  semiquantitative results for WBC, RBC, epithelial cells, casts, and bacteria.

Method Description

DIPSTICK
Dry pad urine chemistry

 

SPECIFIC GRAVITY
Dry pad urine chemistry or optic refractive index method

 

URINE MICROSCOPIC
Automatic particle counter and/or manual microscopic

Performing Lab

Clinical Lab UH
Clinical Lab University East
Clinical Lab James
Clinical Lab Martha Morehouse
Clinical Lab Spielman
Clinical Lab West Campus

Day(s) Performed

Monday through Sunday

Report Available

Same day/ 1 day

Reporting Name

Urinalysis Reflex to Culture

CPT Code Information

81001
87088 (if applicable)

LOINC Code Information

5778-6
5767-9
5792-7
5797-6
2965-2
20409-9
5803-2
5804-0
3107-0
5802-4
5799-2
13945-1
5821-4
12258-0
25145-4
90044-9
8246-1
88966-7
88974-1
88968-3
88972-5
88976-6
30079-8
88970-9
53788-6
5798-4
5815-6
5784-4 
5814-9 
5775-2
5773-7
5777-8
33861-6
87828-0
88979-0