Urinary AASA

Pathology category

Biochemistry - referred tests

Code

AASA

Referral code

Request form

Test information

Urine Alpha Amino Adipic Semialdehyde (AASA) – specialist test used in diagnosis of Pyridoxine dependent epilepsy. PLEASE CONTACT DUTY BIOCHEMIST prior to collecting and request as MISB on ICE

Guidelines

Pre-analytical

Random urine in plain container – must reach laboratory within 12 hours of collection

Reference range

See report

Tube type

Tube type info

Special requirements

Lab info: Sample should be frozen on receipt and sent frozen

Minimum volume

1 ml

Assay frequency

TAT Inpatient (urgent)

TAT Inpatient

TAT GP/Outpatient

Referral lab

UCL Great Ormond Street Institute of Child Health