Organic Acids, Plasma
0099289
Ordering Recommendation
For routine biochemical screening, refer to Organic Acids, Urine (0098389).
Mnemonic
ORG AC P
Methodology
Gas Chromatography/Mass Spectrometry
Performed
Tue
Reported
3-15 days  
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
  
Collect
Green (sodium or lithium heparin).  
Specimen Preparation
Separate plasma from cells within one hour of collection. Transfer 3 mL plasma to an ARUP Standard Transport Tube. (Min: 2 mL)  
Storage/Transport Temperature
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.  
Unacceptable Conditions
  
Remarks
Clinical information is needed for appropriate interpretation. Additional required information includes age, gender, diet (e.g. TPN therapy), drug therapy, and family history. Biochemical Genetics Patient History Form is available on the ARUP Web site at http://www.aruplab.com/patienthistory or by contacting ARUP Client Services.  
Stability
After separation from cells: Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 month  
Reference Interval
By report  
Interpretive Data


See Compliance Statement B: www.aruplab.com/CS
Statement B: This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.
 
Note
Organic Acids, Urine (ARUP test code 0098389), is the preferred test when screening for inherited disorders of metabolism. This plasma test is not as sensitive and will only detect the organic acids listed on the report.
CPT Code(s)
83918
Components
Component Test Code*Component Chart NameLOINC
0081044Lactic Acid, Plasma2524-7
0081045Pyruvic Acid, Plasma32338-6
0081046Succinic Acid, Plasma35871-3
00810473-OH-Butyric Acid, Plasma6873-4
0081048Acetoacetic Acid, Plasma35867-1
00810492-Keto-3-methylvaleric Acid, Plasma35869-7
00810502-Ketoisocaproic Acid, Plasma35870-5
00810512-Ketoisovaleric Acid, Plasma35868-9
0081052Citric Acid, Plasma15038-3
0098972Organic Acids, Plasma Interpretation33475-5
* 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.
Aliases
  • Plasma organic acids