Normal range/expected value(s) for a specific disease state. May also include abnormal ranges.
Test Number
Components
Reference Interval
Carnitine, Total, Urine
Age
µmol/g
0-5 months
160-1552
6 months-23 months
231-1710
2 years and older
73-731
Carnitine, Free, Urine
Age
µmol/g
0-5 months
16-922
6 months-23 months
37-1066
2 years and older
7-407
Carnitine, Esterified, Urine
Age
µmol/g
0-5 months
138-525
6 months-23 months
175-613
2 years and older
55-317
Carnitine, E/F Ratio, Urine
Age
Ratio
0-5 months
0.4-6.8
6 months-23 months
0.4-5.0
2 years and older
0.5-7.3
Interpretive Data
Background information for test. May include disease information, patient result explanation, recommendations, details of testing, associated diseases, explanation of possible patient results.
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
Compliance Category
Laboratory Developed Test (LDT)
Note
Additional information related to the test.
The concentration of esterified carnitine is derived from a mathematical calculation using free and total carnitine.
Hotline History
N/A
CPT Codes
The American Medical Association Current Procedural Terminology (CPT) codes published in ARUP's Laboratory Test Directory are provided for informational purposes only. The codes reflect our interpretation of CPT coding requirements based upon AMA guidelines published annually. CPT codes are provided only as guidance to assist clients with billing. ARUP strongly recommends that clients confirm CPT codes with their Medicare administrative contractor, as requirements may differ. CPT coding is the sole responsibility of the billing party. ARUP Laboratories assumes no responsibility for billing errors due to reliance on the CPT codes published.
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Chat
Feedback
