GST mistakes on clinic bills rarely show up on the day they happen. A dermatology clinic can bill an acne consultation and a laser hair reduction session on the same afternoon, mark both GST-exempt because that's how the billing screen was set up, and hear nothing until the CA reviews the ledger months later. The consultation is fine. A cosmetic procedure like laser hair reduction generally falls outside the health care exemption, and now there are months of invoices to untangle. Good medical billing software for Indian clinics should flag that on the first bill.
What the GST exemption covers
The rule most clinics rely on is Sl. No. 74 of Notification No. 12/2017-Central Tax (Rate), dated 28 June 2017. It exempts health care services provided by a clinical establishment, an authorised medical practitioner or para-medics. CBIC's Circular No. 32/06/2018-GST repeats this and clarifies that the full amount a hospital charges a patient, including what it keeps after paying consultants, sits inside the exemption.
"Health care services" means diagnosis, treatment or care for illness, injury, deformity, abnormality or pregnancy in any recognised system of medicine in India. The definition excludes hair transplant and cosmetic or plastic surgery, unless the procedure restores or reconstructs anatomy or function affected by a congenital defect, developmental abnormality, injury or trauma.
"Clinical establishment" covers hospitals, nursing homes and clinics, and also any place set up to carry out diagnostic or investigative services, so in-house lab tests and imaging are generally covered. PIB's September 2025 factsheet on GST and healthcare confirms that services by doctors, hospitals and diagnostic centres remain exempt.
Tax does show up in three places:
- Medicines sold across the counter. Since 22 September 2025, most drugs and medicines attract 5% GST (down from 12%), and 36 specified life-saving drugs are at nil (33 moved down from 12%, three from 5%), per the GST Council's 56th meeting decisions published by PIB.
- Cosmetic and aesthetic procedures that don't meet the reconstructive exception.
- Non-patient supplies. CBIC's circular notes that food given to admitted patients on a doctor's or dietitian's advice is part of the exempt service, while food sold to outpatients, attendants or visitors is taxable.
Tag each catalogue item with its tax treatment once, with your CA signing off, so reception never decides tax bill by bill. Add injections, dressings, ECGs and nebulisations as separate fixed-price items too. Clinics lose money when these get folded into "consultation", and insurers and auditors want itemised bills.
Insurance claims need their own workflow
Cashless claims move on paperwork: the pre-authorisation request, the treating doctor's notes, investigation reports, an itemised final bill and a discharge summary in the insurer's or TPA's format.
IRDAI's Master Circular on Health Insurance Business (May 2024) is widely reported to require insurers to decide on a cashless request within one hour and issue final discharge authorisation within three hours of the hospital's request. Those clocks only help if your documents are complete at submission. Look for claim tracking by status (submitted, query raised, approved, rejected, settled), and a single patient record whether the patient pays cash or claims insurance.
Reconcile every evening
Most billing mistakes surface weeks later, during a GST return, an insurer audit or a patient complaint. Before reception leaves, compare the day's appointments and procedures with what was billed and collected by cash, UPI, card and insurance. A ₹450 gap found at 7 p.m. is a two-minute chat. At quarter-end, it is guesswork.
ExaHealth's billing is set up for this kind of evening check. Invoices are raised in one tap, the billing screen shows which bills are still outstanding so reception can chase them the same day, and payment receipts go to patients on WhatsApp.
Before you sign, ask the vendor to show you
- A bill mixing an exempt consultation, a taxable medicine at 5%, and a cosmetic procedure, with correct tax on each line.
- How you change a tax rate across the whole catalogue.
- A rejected insurance claim, and where it shows up for follow-up.
- The daily reconciliation report, with a deliberate mismatch in it.
- A full export of your invoices for your CA.
In India, billing usually comes bundled into a clinic management plan, so compare whole plans.
Habits that keep bills clean
Set tax treatment once per item, itemise procedures, track claims and reconcile daily. Software makes those habits easier to keep, but your CA still decides the rules.
Want to test ExaHealth's billing against your own evening reconciliation? Talk to the ExaHealth team.
Two guides that pick up where this one stops: Clinic Billing Software: How to Stop Revenue Leakage, and Pharmacy Billing Software for In-Clinic Pharmacies.
Where the figures come from
- CBIC: Circular No. 32/06/2018-GST on health care services (PDF)
- CBIC: Notification No. 12/2017-Central Tax (Rate) (PDF)
- PIB: GST rate changes on medicines, September 2025 (PDF)
- Press Information Bureau: FAQs on the decisions of the 56th GST Council (September 2025)
Frequently Asked Questions
Do doctors charge GST on consultation fees in India?
No. Consultations by an authorised medical practitioner or clinical establishment fall under the health care services exemption at Sl. No. 74 of Notification 12/2017-Central Tax (Rate). What changes the answer is the nature of the service, so aesthetic procedures outside the reconstructive exception can be taxable even when a doctor performs them.
Are lab tests and diagnostic services taxable?
Generally not. The notification's definition of "clinical establishment" includes places that carry out diagnostic or investigative services, and PIB's September 2025 healthcare factsheet states that diagnostic centres' services remain exempt. Kits and consumables you buy are goods and carry their own GST.
What GST rate applies to medicines our clinic pharmacy sells?
Since 22 September 2025, most drugs and medicines are at 5% and 36 specified life-saving drugs are at nil (33 moved down from 12%, three from 5%), following the 56th GST Council meeting. If your software still defaults to 12%, update the catalogue and confirm specific products with your CA.
Why do cashless claims get stuck even when the amount is right?
Usually because something is missing or inconsistent: the pre-authorisation reference, clinical notes that justify the procedure, or a bill that doesn't itemise what was done. Software that holds all of that against the patient's visit makes the claim easier to complete in one go.