Referred to Berkshire & Surrey Pathology Services, Frimley Park Hospital NHS Foundation Trust, Portsmouth Road, Frimley, Surrey GU16 7UJ
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Alternative names, keywords |
CgA |
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Samples required |
● EDTA blood (purple cap/ yellow cap ring, 4 mL tube). Bring to lab immediately, on ice. Samples must be separated within 15 minutes of venepuncture. Do not send via pneumatic tube (pod) system. Fasting recommended but not essential. |
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Test indications |
Investigation and monitoring of suspected neuroendocrine tumours. |
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Test information |
Please note that the referral laboratory discontinued chromogranin B testing from November 2025. |
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Reference range |
Chromogranin A: < 60 pmol/L |
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Turnaround time |
Referral lab quotes turnaround time of 15 days, however additional time must be allowed for packing, dispatch and delivery of sample, and return and processing of results. |
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Enquiries |
Biochemistry (Referrals) |