Selbsttest oder Labortest compares a test bought off the shelf with a sample drawn in the pharmacy and analysed in an accredited laboratory. Each answers a different question, because one is narrow and immediate while the other is broad and standardised.
Selbsttest oder Labortest is the question a customer actually asks at the counter. On one side is a test bought from the shelf and performed at home, and on the other is a sample taken in the pharmacy and analysed in an akkreditierten Labor. They are not competing versions of the same thing, because they answer different questions, so the useful reply describes the question each one is built for.
A Selbsttest is designed for one marker and a yes or no style answer, or for a single value read on the spot. It is quick, it needs no appointment, and for a narrow question it can be entirely adequate. A glucose reading taken at home over months is genuinely informative, so there is no reason for a pharmacy to talk anyone out of a product that fits their question. What it cannot do is widen, because it covers what the strip or the device covers and nothing beyond that.
A laboratory analysis works from a drawn sample, and it differs from a shelf test in two ways:
Standardisation is what makes a value from March and a value from September comparable to each other, provided both came from the same laboratory and the same method. Two home tests from different manufacturers, or a home test held against a laboratory value, cannot be compared in that way.
Neither route is more accurate than the other in the abstract, and any claim in that direction is worth distrusting. The honest framing is what a result can be compared against, because a self test answers today while a standardised laboratory value can be placed next to the last one and the next one.
The same reasoning applies to a Schnelltest performed in the pharmacy, or to a Point of Care Test run on a bench device, because both are fast and narrow by design. In every case the pharmacy hands over the result and a physician interprets it.
This glossary entry is general information about German pharmacy law and practice. It is not legal advice. For binding guidance on your own pharmacy, contact your Landesapothekerkammer.