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90404: Organic Acids, Qualitative, Urine Print View
Interpretation:      
Age      
2-Hydroxy-3-methylvaleric GC/MS  Normal   
2-Hydroxybutyric GC/MS  Normal   
2-Hydroxyglutaric GC/MS  Normal   
2-Hydroxyisocaproic GC/MS  Normal   
2-Hydroxyisovaleric GC/MS  Normal   
2-Hydroxyphenylacetic GC/MS  Normal   
2-Methylbutyrylglycine GC/MS  Normal   
2-Oxo-3-methylvaleric GC/MS  Normal   
2-Oxoisocaproic GC/MS  Normal   
2-Oxoisovaleric GC/MS  Normal   
3-Hydroxy-2-ethylpropionic GC/MS  Normal   
3-Hydroxy-2-methylbutyric GC/MS  Normal   
3-Hydroxy-3-methylglutaric GC/MS  Normal   
3-Hydroxyadipic GC/MS  Normal   
3-Hydroxybutyric GC/MS  Normal   
3-Hydroxydodecanoic GC/MS  Normal   
3-Hydroxyglutaric GC/MS  Normal   
3-Hydroxyisobutyric GC/MS  Normal   
3-Hydroxyisovaleric GC/MS  Normal   
3-Hydroxypropionic GC/MS  Normal   
3-Hydroxysebacic GC/MS  Normal   
3-Hydroxyvaleric GC/MS  Normal   
3-Methylcrotonylglycine GC/MS  Normal   
3-Methylglutaconic GC/MS  Normal   
3-Methyglutaric GC/MS  Normal   
4-Hydroxybutyric GC/MS  Normal   
4-Hydroxycyclohexylacetic GC/MS  Normal   
4-Hydroxyphenylacetic GC/MS  Normal   
4-Hydroxyphenyllactic GC/MS  Normal   
4-Hydroxyphenylpyruvic GC/MS  Normal   
5-Oxoproline GC/MS  Normal   
Acetoacetic GC/MS  Normal   
Adipic GC/MS  Normal   
Ethylmalonic GC/MS  Normal   
Fumaric GC/MS  Normal   
Glutaconic GC/MS  Normal   
Glutaric GC/MS  Normal   
Glyceric GC/MS  Normal   
Glycolic GC/MS  Normal   
Glyoxylic GC/MS  Normal   
Hexanoylglycine GC/MS  Normal   
Homogentisic GC/MS  Normal   
Isobutyrylglycine GC/MS  Normal   
Isovalerylglycine GC/MS  Normal   
Lactic GC/MS  Normal   
Malonic GC/MS  Normal   
Methylcitric GC/MS  Normal   
Methylmalonic GC/MS  Normal   
Methylsuccinic GC/MS  Normal   
N-Acetylaspartic GC/MS  Normal   
N-Acetyltyrosine GC/MS  Normal   
Orotic GC/MS  Normal   
Phenpropionylglycine GC/MS  Normal   
Phenyllactic GC/MS  Normal   
Phenylpyruvic GC/MS  Normal   
Propionylglycine GC/MS  Normal   
Pyruvic GC/MS  Normal   
Sebacic GC/MS  Normal   
Suberic GC/MS  Normal   
Suberylglycine GC/MS  Normal   
Succinylacetone GC/MS  Normal   
Tiglylglycine GC/MS  Normal   
Uracil GC/MS  Normal   
Creatinine, Random Urine   view ref range  mmol/L 

PRIMARY
1 Urine 13 (4) mL   Frozen - 28 Day(s)  
ALTERNATE
  Urine 24 hour   Frozen - 28 Day(s)  

Organic acidurias are group of inborn errors of metabolism that may lead to acute life-threatening illness, developmental delays, and metabolic decompensation. Positive results may warrant confirmation by alternative specific methods.

If volume is less than 4 mL - call the Biochemical Genetics Laboratory
for instructions. To prevent delays in testing, the laboratory
requests the receipt of two labeled containers:
One standard urine transport container (or standard transport tube)
containing specimen for organic acid analysis.
One standard transport tube labeled for creatinine analysis - used
for normalizing urine results.
Do not use preservatives.
Avoid fecal contamination of urine.
Patient age is required for correct reference range.
Setup Schedule
Tuesday, Thursday, Saturday

Reported (Analytical Time)
5 days

CPT Codes
83919,82570

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Notes
Rejection Criteria: Samples with pH less than 2; Shipping room temperature unacceptable; Shipping refrigerated unacceptable

Transport Temperature: Frozen

Methodology: Gas Chromatography Mass Spectrophotometry; Kinetic Alkaline Picrate






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