
Alternative names, keywords |
Valaciclovir (prodrug form), aciclovir metabolite, 9-carboxymethoxymethylguanine. |
Samples required |
Pre dose sample and post dose sample recommended (post dose = 1h after the end of iv administration or 2h after oral administration). CMMG monitoring requires post-dose sample only. |
Test indications |
May be of value in patients with renal failure and/or on ECMO, in cases of suspected neurotoxicity or suspected poor absorption, and in some patients receiving valaciclovir (prodrug form of aciclovir). |
Reference range |
Depends on dose regimen - interpretation is patient-specific. Discuss interpretation with Consultant Microbiologist. For CMMG: pre dose <2.6 mg/L |
Turnaround time |
Referral lab quotes turnaround time of less than 3 working days*, however additional time must be allowed for packing, dispatch and delivery of sample, and return and processing of results. *samples are analysed on day of receipt if before 3pm, Monday to Friday. |
Enquiries |
Biochemistry (Referrals) |