OB Screen Urinalysis - Bassett Healthcare Network Clinical Laboratories

Performing Location(s)

BMC,CRH,LFH,HRK,OCH,FTT,FOX, FXCC

Specimen Type

Random Urine

Preferred Container

Random Urine Tube

Minimum Volume to Submit for Testing

5 mL Urine

Storage Requirements

Refrigerate up to 24 hours

Transportation Needs

Deliver specimen to the laboratory within 1 hour of collection. If not possible see “Storage Requirements”

Causes for Rejection

Mislabeled or unlabeled specimen

> 2 hours at room temperature

> 24 hours refrigerated

< 0.5 mL

Limitations

Test restricted to OB/GYN patients (inpatient and clinic)

Reference Values

Parameter	Population	Units	Reference Range	Critical Value
Specific Gravity	All populations	None	1.000-1.029	None
Protein	All populations	None	Negative, 10mg/dL, 20mg/dL	None
Glucose	All Populations	mg/dl	Negative, 30mg/dL, 50mg/dL	OB and Peds Patients >100
Ketones	All populations	mg/dl	Negative, Trace	OB and Peds Patients >40

Days of Analysis

All

Available STAT

Yes

Includes

Testing of random urine for glucose, ketones, protein, and specific gravitiy.

Methodology

Urine reagent strip

CPT Code

81003

Last Updated

03-APR-2025 SB

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