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Pathology Services

5-Hydroxy-Indole-Acetic Acid – 24h Urine (5HIAA)

Phlebotomy Requirements

All GP and Community samples sent to Ipswich hub. Colchester Hospital sent to Colchester Blood Sciences, URGENT Community Colchester sent in RED sample bag to Colchester Blood Sciences

Collection

Hospital or GP.

Sample container

All Colchester & Ipswich samples: Plain 24hr Urine Collection Container 2.5L.

Site

All Colchester & Ipswich samples: St Bart's. TAT: Approximately 3 weeks.

Notes

Avoid for 48h prior & during urine collection: Bananas, Walnuts, Pineapple, Avocado, Aubergine, Red plum & Tomato.

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See further information via URL.

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Sample Delays – Immunology Referrals Oxford

Please note, there is currently a delay on Immunology samples that are referred to Oxford for testing – please see the Immunology page for further information from Oxford. Please click on the link below for more information: wpe-Aug-2025-update

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20/10/2025

Important Update: HLA-B27

HLA-B27 Testing 20th October 2025 Further to communications last month we have continued to experience supply chain issues. We are now changing our methodology to one that requires DNA extraction prior to testing for HLA-B27. Due to this change we will be restricting the tube types that we can receive;  any others received are likely to […]

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