On a Tuesday afternoon in a wellness business, a ferritin value comes back below the range and the customer telephones to ask what it means for them. Diagnostics as a Service produces laboratory results that no medical practice ordered, so answering that call is somebody's named job.
Whether a non-clinical business can sell testing at all depends on who takes that call, because German law decides who may explain one person's value. Most of the operation is logistics, while this is the one question worth settling before launch.
None of this is legal advice, so a lawyer working in medical or competition law should review your own contracts and your website before the first result reaches a customer.
Who explains an abnormal blood result in a wellness clinic?
The responsibility belongs to whoever sold the test, and the explanation of one person's value has to come from a licensed clinician or from a report that a licensed clinician already approved. A coach, a trainer, a pharmacist or a front-desk team member may describe what a marker measures, though none of them may tell one named person what their own value means.
Most operators discover this after the first panel comes back rather than before, because the first out-of-range value is usually something ordinary such as vitamin D or ferritin. The customer calls, the person who answers is helpful, and the helpful answer is the illegal one.
The safe design is to decide in advance that nobody in your business improvises an interpretation. That is a staffing and wording decision you make before launch, since it cannot be repaired once a customer has already been told something wrong.
Where does German law separate explaining from interpreting?
The Heilpraktikergesetz requires a permit under Section 1(1) from anyone who practises medicine without holding a medical licence, and the practice of medicine covers identifying illness as well as treating it1. Explaining what ferritin measures is general information. Telling one named person that their ferritin explains their tiredness is at least arguably a finding of illness within Section 1(2) of the Heilpraktikergesetz, which needs a licence or a permit. The case law narrows this, because courts ask whether the activity requires medical knowledge and whether it creates a not insignificant health risk, so the boundary is fact dependent and unsettled at the margin. That is exactly why individual interpretation should be routed to a licensed clinician rather than tested against the line.
The working test has one question in it, which is whether the sentence is about the marker or about this particular person.
- A statement about the marker describes what it measures and why a panel includes it.
- A statement about the person connects a number to their symptoms, their history or their treatment.
- The first kind of statement is education and it is open to anybody on your team.
- The second kind is medicine and it belongs to somebody who holds the licence for it.
Advertising has a second line in the same area. Describing your offer as something that recognises, prevents or treats illness moves it under the Heilmittelwerbegesetz, which restricts how health services may be advertised to the public2. A wellness operator keeps the wording on measurement and general health rather than on detection of disease.
What may a coach, a trainer or a pharmacist say about a result?
A non-clinical team member may explain the panel, the collection method, the laboratory process and the plain-language text the report already contains. They may not diagnose, may not connect the value to a symptom, and may not advise anybody about a medicine or a prescribed treatment.
Write both of these lists down, print them, and keep them where somebody answers the phone.
These sentences are open to any member of your team:
- Your team may say what a marker measures and why the panel includes it at all.
- Your team may read out the plain-language explanation that the report already contains for that marker.
- Your team may explain how the sample was collected and how the laboratory analysed it.
- Your team may explain the difference between a population reference range and an optimal range.
- Your team may explain when a retest of that marker usually makes sense, as a general rule.
- Your team may talk about training, sleep and everyday nutrition in the general terms anybody may use.
- Your team may book the follow-up conversation with somebody who is qualified to have it.
These sentences belong to a licensed clinician alone:
- Nobody may tell a customer which condition their out-of-range value indicates.
- Nobody may connect a value to the symptoms a customer describes on the phone.
- Nobody may recommend starting, stopping or changing a treatment that somebody else prescribed.
- Nobody may promise that a supplement or a protocol will correct that value.
- Nobody may tell a customer that a value inside the range rules out an illness.
- Nobody may write their own interpretation into the customer record after the call.
A pharmacist is a partial exception worth naming, because a pharmacist may advise on medicines inside their own professional competence. That competence covers the medicine and not the blood result, so the same line applies to the interpretation itself.
What does escalation look like when a value comes back seriously out of range?
A serious value needs a named route, a named person and a written time limit, all decided before the first customer books. The report reaches the responsible licensed clinician first, that person decides what the customer is told, and the customer is contacted by somebody qualified to answer the questions that follow.
Four things have to exist on paper before launch, because none of them can be invented while somebody is waiting.
- You need a written list of which markers and which thresholds count as critical.
- You need one named licensed clinician who is reachable and who decides what happens next.
- You need a maximum time from critical result to customer contact, agreed with your supplier and written into the contract.
- You need a fixed script that tells the customer where to go for care today.
- You need a written log of who was contacted, at what time, and what they were told.
The message itself is short and it does not diagnose anything. It names the value, says that it needs medical attention quickly, and names the kind of practice the customer should attend, so the customer knows what to do without being given a finding over the phone.
Two failure modes cause almost all of the damage, and the first is a report that reaches a customer on a Saturday with nobody available to answer it. The second is a well-meaning team member who fills an awkward silence with a guess.
How much of this work does the report wording do in Diagnostics as a Service?
Every conversation the report answers is a conversation your staff never have to hold, so the wording of the report is the real compliance control. A white-label customer dashboard with a plain-language explanation for each marker removes the ordinary questions, which leaves only the genuinely clinical ones to route upward.
The Aniva customer dashboard carries a plain-language explanation for each marker, a trend view across repeated panels, and a customer-facing PDF under your logo, your colours and your domain, in German or in English. Panels themselves are clinician-designed and medically reviewed, so the interpretation a customer reads was written by somebody qualified to write it.
- A customer who already understands what ferritin measures has no reason to call and ask.
- A customer who can see the same marker across three panels asks a better question than one who sees a single number.
- A team member who reads from the report is repeating an approved text rather than improvising.
- A report under your own brand keeps the relationship with you and the clinical text with the laboratory.
Why does this question matter to a supplement or wellness brand selling testing?
Because a business that cannot answer it has no legal way to hand a result to a customer, however good its logistics are. The escalation route, the licensed clinician and the report wording are the three things a regulator or an insurer would ask about first, and all three have to exist before the first sample is collected.
Health data adds the second reason. A blood result is special category data under Article 9 of the GDPR, so who reads it, where it is held and how long it is kept all need an answer in writing3.
One contract that covers the analysis, the collection, the software and the data agreement is the practical way a non-clinical operator solves this, because the clinical responsibility belongs to the party that already holds it. Four weeks is the time from a signed contract to the first draw, which is enough time to write your may and may-not lists and train the people who will use them.
Book a 30-minute demo if you want to read the report wording your customers would see before you commit to selling a single panel.
Notes and sources
Last updated: 31 August 2026
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Heilpraktikergesetz Section 1, Gesetze im Internet
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Heilmittelwerbegesetz, Gesetze im Internet
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Regulation (EU) 2016/679, the General Data Protection Regulation, Article 9, EUR-Lex
