Notes for owners · Industry playbooks
Best advertising channels for diagnostic centres
Most tests are decided by a prescribing doctor, so advertising has a ceiling. The channels that pay are Maps, the referral round, home collection and a small number of honest packages.
The GullySales team · Updated 15 Sept 2026 · 7 min read
Rules for this trade differ by state and professional body, and they change. Check the current position with your own council or adviser before you act on anything here.
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For a diagnostic centre, the honest starting point is that most tests are not chosen by the patient. A doctor writes them, and the patient goes where the doctor pointed or where Google says there is a lab nearby. So the channels that pay are four. The referral round with local doctors. The Google Business Profile that wins "blood test near me". Home collection for people who cannot travel, and a short list of health check packages. Everything else is noise around those four.
Who actually decides where a test is done
Three kinds of demand walk through a diagnostic centre, and they respond to completely different things.
The prescribed test is the largest and the least influenced by advertising. A patient leaves a consulting room with a slip and takes it to whichever centre is closest, cheapest or named by the doctor. The self-paid check is the one you can advertise to: a yearly health package, a thyroid panel someone books after reading about symptoms, a vitamin D test before a wedding. The third is institutional, meaning corporate check-ups, insurance pre-policy tests and tie-ups with small clinics and hospitals.
Split last month's bills into those three. The split tells you which channel deserves money, and it is different for a lab next to a hospital gate than for one inside a residential layout.
Channel by channel, what each one is good for
| Channel | What it brings | What it needs from you |
|---|---|---|
| Google Business Profile and Maps | Walk-ins searching "blood test near me" and "lab open Sunday" | Correct hours, test list, recent reviews, a phone answered |
| Referral round with local doctors | Steady prescribed volume, the largest share for most centres | Same-day reports, a pathologist who takes calls, a named coordinator |
| WhatsApp to past patients | Repeat annual checks and follow-up tests | Consent at billing, the test name and the due month recorded |
| Home collection promoted locally | Elderly patients, working families, post-operative cases | A phlebotomist on time, a fixed slot, the report sent by evening |
| Apartment and residents' association camps | New families in a defined catchment | A camp with one purpose and bookings taken on the spot |
| Search advertising on package terms | Self-paid health checks | A page per package with the tests listed and a booking number |
Read the right column as the work. A centre that buys the third row without the phlebotomist in the last column has bought complaints.
Home collection is a promise before it is an advertisement
Home collection wins the patient who cannot stand in a queue: the seventy-year-old with knee pain, the new mother, the man told to fast and now late for work. It is the strongest thing a small centre can advertise, and the fastest way to lose a locality if it is run badly.
Advertise it only when the operations hold. One named phlebotomist for a set of streets. A slot the patient chooses, not a window of four hours. A message when the technician leaves, and the report on WhatsApp the same evening. WhatsApp marketing and automation covers the booking confirmation and the report delivery, which is where most centres leak goodwill.
Packages: what to put in and what to leave out
A health check package is the one thing a patient buys without a prescription, so it carries the advertising. Build three at most, named for the person rather than the test list. One for someone over fifty, one for a working woman, one before a policy or a new job.
List every test inside it in plain words, say what the fasting requirement is, and say when the report arrives. Leave out the tests added only to make the list look long. A package with thirty-two parameters and no explanation reads as padding, and the family doctor who is asked about it will say so.
The referral round nobody wants to do
The dull work carries the volume. A coordinator who visits the same general practitioners, paediatricians and gynaecologists every month, carrying the rate list and last month's turnaround record, is worth more than any hoarding. The doctor's real question is whether the report will be right and on time, so answer it with evidence rather than a gift.
Keep a log by doctor, with the number of patients sent each month. When a name drops, somebody calls and asks why. Usually it is one delayed report nobody heard about.
An illustrative example
For example, take a single-location pathology lab in Vidyaranyapura, Bengaluru, with one collection centre and a tie-up with two small clinics. The figures are invented to show the shape.
A month of bills shows three-quarters prescribed, a fifth self-paid and the rest corporate. So the discount banner comes down. Instead the lab fixes the Maps profile with Sunday hours, the test list and a QR code for reviews at billing. It starts a monthly round of twenty-two doctors within three kilometres, logged by name. It launches home collection in four layouts with a fixed morning slot, promoted only to those pin codes at an illustrative ₹15,000 a month.
The measure is prescribed samples by referring doctor, home collections completed on time, and package bookings, reported against the month before it started.
What to do next
Split last month's bills into prescribed, self-paid and institutional, then list the ten doctors who sent you the most patients. Those two pages tell you where your advertising money belongs, and for most centres it is not where it is going today. If you want a second pair of eyes on the split, tell us what you need and we will read it before we call.
