Newcastle Laboratories

Orotic acid, urine

Clinical Background:

Orotic acid is a specific urinary organic acid. While it may be detected as part of the organic acid profile if elevated, a quantitive assay is available for the diagnosis and monitoring of certain...

Orotic acid is a specific urinary organic acid. While it may be detected as part of the organic acid profile if elevated, a quantitive assay is available for the diagnosis and monitoring of certain amino acid disorders, particually urea cycle disorders.

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Test Details

  • Discipline:

    Biochemistry

    Biochemistry

  • Specimen Container Adult:

    Plain universal container

    Plain universal container

  • Specimen Container Paediatric:

    Plain universal container

    Plain universal container

  • Minimum Volume Adult:

    2 mL urine

    2 mL urine

  • Minimum Volume Paediatric:

    2 mL urine

    2 mL urine

  • Sample Stability:

    Store frozen

    Store frozen

  • Transport Requirements:

    Ward: send sample at ambient temperature

    External hospitals: store and send sample frozen

    Ward: send sample at ambient temperature

    External hospitals: store and send sample frozen

  • Interpretation:

    Orotic acid may be elevated in a number or organic acid disorders and is interpreted in conjuction with the organic acid profile.

    Quantitation unreliable when creatinine concentration less than 1.0...

    Orotic acid may be elevated in a number or organic acid disorders and is interpreted in conjuction with the organic acid profile.

    Quantitation unreliable when creatinine concentration less than 1.0mmol/L.

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  • Reference Ranges:

    0.1 - 3.0 mmol/mol creatinine

    0.1 - 3.0 mmol/mol creatinine

  • Routine Contact Name:

    Duty Biochemist

  • Routine Telephone:

    Freeman: 0191 244 8889

    RVI: 0191 282 9719

    Freeman: 0191 244 8889

    RVI: 0191 282 9719

  • Routine Email:

  • Specialist Test:

    Yes

    Yes

  • Specialist Contact Name:

    Metabolic Clinical Scientist

    Metabolic Clinical Scientist

  • Specialist Telephone:

    0191 282 9685 (Consultant Clinical Scientist)

    0191 282 0334 (Metabolic Laboratory)

    0191 282 9685 (Consultant Clinical Scientist)

    0191 282 0334 (Metabolic Laboratory)

  • Specialist Email:

Availability:

Available during full access hours
Assayed as required
Site of analysis: RVI

Turn Around:

3 weeks

Send To:

Department of Blood Sciences

Level 3
Leazes Wing
Royal Victoria Infirmary
Queen Victoria Road
Newcastle upon Tyne
NE1 4LP

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