Urine Catecholamine Metabolites (metanephrines)

Pathology category

Biochemistry - referred tests

Code

UCMW

Referral code

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Test information

Catecholamine metabolites (metanephrines) – metadrenaline and normetadrenaline. Used in the diagnosis and monitoring of phaeochromocytoma. Please note drugs (such as SSRIs, anti-hypertensives) can interfere with the analysis. Please contact the lab for more information

Guidelines

Pre-analytical

For laboratory: Weigh sample and record 24h urine volume. Aliquot into 2x universal tubes. Check pH on receipt. If not acidified and <1 week old, add 5M HCl dropwise to aliquot until pH <4. Record pH

Reference range

See report

Tube type

Tube type info

24h acidified urine

Special requirements

24h acidified urine

Minimum volume

20 mls

Assay frequency

TAT Inpatient (urgent)

TAT Inpatient

3 weeks

TAT GP/Outpatient

3 weeks

Referral lab

Biochemistry, Heartlands Hospital, Birmingham