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Published on February 20, 2018

Ketone Urine 

SIM

 20521

CPT

 

Synonyms

Urine Acetone 

Specimen Type

Specimen of choice - Freshly void, first morning or random urine.  Catheterized Urine; Clean Catch Urine  

Container

Sterile Urine collection container

Collection Instructions

Clean Catch Instructions:
1.  Clean external genitalia. 
2.  Begin voiding.  Let first portion of urine go into toilet. 
3.  Without interruption of urination process, collect the mid portion and allow the rest to pass into toilet.  
4.  Preferred for Urinalysis and Culture due to minimizing vaginal or terminal urethral flora contamination.

Volume

5 ml preferred
Min:  1 ml

Additional Information

Ketones are reported as:
negative, trace/5, 15 (1+), 40 (2+), >80 (3+)

Patient Preparation

none

Specimen Processing Instructions

Refrigerate Urine

Transport Requirements

Refrigerated

Specimen Stability

Refrigerated: 24 hours 

Rejection Criteria

•  Insufficient volume
•  Fecal contamination

Reference Range

Negative

Critical Value

none 

Test Includes

Dipstick Ketone on Urine 

Methodology

Legal reaction 

Testing Frequency

Daily, Monday - Sunday 

 

Reviewed By

Sandy Hammett 

Reviewed Date

2-20-18

Supplemental

  

Reviewed by Sandy Hammett on February 20, 2018

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