Homogentisic Acid, Urine (Sendout)

General Information

Lab Name
Homogentisic Acid, URN
Lab Code
RUHOM
Epic Name
Homogentisic Acid, Urine
External Test Id
OAU
Description

Useful For: Diagnosis of inborn errors of metabolism.

Synonyms
OAU
Components

Interpretation

Method

Gas Chromatography-Mass Spectrometry (GC-MS)

Reference Range
Female Male Unknown
AgeRange AgeRange AgeRange
0-Negative [NRN] 0-Negative [NRN] 0-Negative [NRN]

Effective date: 04/01/2010

Ordering & Collection

Specimen Type
Urine
Collection

Collect 10 mL random urine in preservative-free, screw cap urine collection container.

Handling Instructions

Outside Laboratories: Aliquot urine to a plastic screw-cap vial and freeze at -20°C.

Stability: Frozen (preferred): 416 days; Refrigerated: 14 days; Ambient: Unacceptable.

Quantity
Requested: 10 mL urine
Minimum: 4 mL urine

Processing

Receiving Instructions

Aliquot urine into a plastic, screw-capped vial and freeze at -20°C.

Sendouts:

  • Order Mayo Test: OAU
    • In the MayoAccess Performing Lab Notes, write: "Please comment on the presence or absence of Homogentisic Acid."
  • Interfaced: No

Stability: Frozen (preferred): 416 days; Refrigerated: 14 days; Ambient: Unacceptable.

Misc Sendout

Performance

Lab Department
Sendouts Mayo Lab (FZ)(MAFZ)
Frequency
Performed: Monday through Saturday. Reported: 3-5 days from sample receipt at Mayo Clinic Labs.
Available STAT?
No
Performing Location(s)
Sendout Mayo Clinic Laboratories
800-533-1710

200 First Street Southwest
Rochester, MN 55901

Billing & Coding

CPT Codes
83919
LOINC
2432-3
Interfaced Order Code
UOW6085
Interfaced Result Code
UOW6085