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22991 Protein, Urine, Orthostatic Proteinuria

Protein, Urine, Orthostatic Proteinuria
Test Code: ORTHO
Synonyms/Keywords
Orthostatic Proteinuria​
Test Components
Urine Protein and Creatinine​
Useful For
Presence in the urine is a sensitive indication of renal disease resulting from either glomerular or tubular dysfunction.​
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
No​ Urine​
 Urine Jug,
 Urine Container​
10 mL aliquot​ 1 mL aliquot​
Collection Processing Instructions
10 mL aliquot from each of two timed urine collections-one collected while patient is at rest (resting) in a supine position (typically 7-9 hour collection), and the second collected during ambulatory hours (upright) while the patient is upright (typically 15-17 hours), both collections occurring over the course of a 24-hour period. Label each specimen appropriately (upright or resting).
Collect specimens without preservative.

See Orthostatic Proteinuria for test procedure and protocol.
Specimen Stability Information
Specimen Type Temperature Time
Urine​ Refrigerate​ 3 days​
Rejection Criteria
Collections with preservatives - 0.1 N hydrochloric acid, boric acid, EDTA-thymol
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Sunday​6-8 hours​ Microprotein Benzethonium Chloride & Modifed Jaffe/Beckman AU
Test Information

Report consists of the collection volumes in mL and protein excretions in mg for the resting and upright specimens.​

Reference Range Information
Performing Location Reference Range
Marshfield​ The following criteria are necessary for diagnosis of orthostatic proteinuria:
-Resting excretion is minimal ( < 50-100 mg) for an approximate 8 hr resting collection interval.
-Upright excretion is significantly higher than resting (80-100% of total protein).
-Total urinary protein (Upright + Resting) is typically < 1500 mg/24 hr.​
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
84156   ​

2​

Synonyms/Keywords
Orthostatic Proteinuria​
Test Components
Urine Protein and Creatinine​
Ordering Applications
Ordering Application Description
​Centricity ​Proteinuria, Orthostatic
​Cerner Proteinuria, Orthostatic​
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
No​ Urine​
 Urine Jug,
 Urine Container​
10 mL aliquot​ 1 mL aliquot​
Collection Processing
10 mL aliquot from each of two timed urine collections-one collected while patient is at rest (resting) in a supine position (typically 7-9 hour collection), and the second collected during ambulatory hours (upright) while the patient is upright (typically 15-17 hours), both collections occurring over the course of a 24-hour period. Label each specimen appropriately (upright or resting).
Collect specimens without preservative.

See Orthostatic Proteinuria for test procedure and protocol.
Specimen Stability Information
Specimen Type Temperature Time
Urine​ Refrigerate​ 3 days​
Rejection Criteria
Collections with preservatives - 0.1 N hydrochloric acid, boric acid, EDTA-thymol
Useful For
Presence in the urine is a sensitive indication of renal disease resulting from either glomerular or tubular dysfunction.​
Test Components
Urine Protein and Creatinine​
Reference Range Information
Performing Location Reference Range
Marshfield​ The following criteria are necessary for diagnosis of orthostatic proteinuria:
-Resting excretion is minimal ( < 50-100 mg) for an approximate 8 hr resting collection interval.
-Upright excretion is significantly higher than resting (80-100% of total protein).
-Total urinary protein (Upright + Resting) is typically < 1500 mg/24 hr.​
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Sunday​6-8 hours​ Microprotein Benzethonium Chloride & Modifed Jaffe/Beckman AU
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
84156   ​

2​

For most current information refer to the Marshfield Laboratory online reference manual.