A medical certificate — what should you know about who may issue medical documents and the limits of translation work?

The matter being asked about is “A medical certificate”, so it flags what usually causes documents like this to be rejected before summarising the general practice. The specifics here are document type: Certificate, and those decide which translation and certification level applies. The terms that frame this page are medical · certificate · know · issue. The point to fix before starting is the real deadline, so the steps can be scheduled backwards from it. The deciding factor is the receiving body's requirement, not only the format of the Thai-side document. Before starting, keep a digital copy of every page, including seals and signatures, then make sure document numbers, issue dates and issuing-office names match across the set, then ask in advance which category of certified translator the destination accepts. Plan the schedule with room for at least one review cycle at the receiving office. Leave buffer time in case a translation has to be amended or a source document re-issued. Note who signed each certification and on what date for later reference. High-resolution photos of seals and signatures help when the destination asks for re-verification. After filing, follow up on the cycle the office states rather than waiting past the deadline. Medical documents are issued only by the examining doctor or the treating facility. A translation provider cannot issue, amend, supplement or make any clinical judgement; its role is to render the source text in full — letterhead, hospital seal, signature block, practitioner licence number and dates included. A medical translation must preserve the diagnosis, disease codes, drug names, dosages, units and result values exactly as written — no rounding, no unit conversion, no summarising. Where the original is illegible handwriting, the facility should be asked for a typed version or a written confirmation rather than the meaning being guessed. ILC handles document work only — translation, certification of the translation, notarial signature certification and the legalisation run at the Ministry of Foreign Affairs and embassies. ILC is not a medical facility or an insurer, gives no clinical advice, and cannot guarantee any authority's decision. ILC handles document work only — translation, certification of the translation, notarial signature certification and the legalisation run at the Ministry of Foreign Affairs and embassies. ILC is not a medical facility or an insurer, gives no clinical advice, and cannot guarantee any authority's decision. Cost and lead time depend on page count, the density of clinical terminology, the target language and the certification steps required, so every file is quoted before work starts. Send scans of the medical paperwork together with the written requirements from the hospital, insurer or receiving authority via LINE @NAATI, call +66 80-557-8887 or email ilc@thainotary.co.th.

ปรึกษาฟรี — LINE @NAATI · โทร 080-5578887 · อีเมล ilc@thainotary.co.th