Health GuidesHospital corridors have their own language. A relative is shifted to the CCU, a report reads RBS 160, the doctor advises an ERCP, and the family is left guessing. For people already anxious, these letters add one more layer of stress. This guide translates the abbreviations Indian families meet most often into plain words. Save it on your phone for the next time a report lands in your hands.
Start with the table below, then read the short sections that follow for the terms people search most. Everything here is general guidance, your own doctor's explanation of your specific report always comes first.
| Abbreviation | Full form | What it means for you |
|---|---|---|
| NICU | Neonatal Intensive Care Unit | Special unit caring for newborn babies who need close monitoring |
| ICU | Intensive Care Unit | Round-the-clock care for seriously ill patients of any age |
| CCU | Coronary Care Unit | Intensive care focused on heart patients |
| OPD | Outpatient Department | You visit, consult the doctor and go home the same day |
| IPD | Inpatient Department | Care that involves admission to a hospital bed |
| RBS | Random Blood Sugar | Blood sugar checked at any time, no fasting needed |
| FBS | Fasting Blood Sugar | Blood sugar after an overnight fast of 8 to 12 hours |
| PPBS | Post Prandial Blood Sugar | Blood sugar checked about 2 hours after a meal |
| HbA1c | Glycated Haemoglobin | Average sugar control over the past 2 to 3 months |
| CBC | Complete Blood Count | Haemoglobin, white cells and platelets in one test |
| LFT | Liver Function Test | A set of blood tests showing how the liver is working |
| KFT | Kidney Function Test | Creatinine, urea and related tests that assess the kidneys |
| ECG | Electrocardiogram | A quick tracing of the heart's electrical activity |
| 2D Echo | Two-Dimensional Echocardiography | An ultrasound film of the heart's pumping and valves |
| CT scan | Computed Tomography scan | Detailed X-ray pictures of the body taken in thin slices |
| MRI | Magnetic Resonance Imaging | A detailed scan that uses magnets, with no X-ray radiation |
| PET-CT | Positron Emission Tomography with CT | Shows unusually active tissue, used mainly in cancer care |
| ERCP | Endoscopic Retrograde Cholangiopancreatography | A scope procedure to diagnose and treat bile duct problems |
NICU stands for Neonatal Intensive Care Unit. It is the special nursery for newborns who arrive early, weigh less than expected, or need help with breathing, feeding or jaundice. The warmers, wires and monitors can look frightening on a first visit, yet much of NICU care is simply support and close observation while the baby grows stronger. Ask the paediatric team for a daily update. They expect the question and are happy to answer it.
CCU most often stands for Coronary Care Unit, an intensive care area meant for heart patients: a recent heart attack, unstable angina or a serious rhythm disturbance. In some hospitals the same letters are used for Critical Care Unit, which is a general ICU. Either way, a shift to the CCU means closer monitoring by trained staff, and not automatically that things have worsened. The ICU, in comparison, admits seriously ill patients of every kind, whether the problem lies in the lungs, the brain, a severe infection or recovery after major surgery.
ERCP is short for Endoscopic Retrograde Cholangiopancreatography, a long name for a practical procedure. A flexible scope is passed through the mouth up to the point where the bile duct opens into the intestine. Through it the specialist can remove bile duct stones, relieve jaundice caused by a blockage, or place a small tube called a stent. It is done under sedation and usually takes less than an hour. Our doctors assess and advise ERCP when it is truly needed, and the procedure itself is carried out at our accredited partner hospitals.
RBS means Random Blood Sugar, a sample taken at any time of day without fasting. As a broad guide for adults, a random value below 140 mg/dL is usually considered normal, while a value of 200 mg/dL or above along with symptoms like excessive thirst and frequent urination points towards diabetes. Values in between call for proper fasting tests and an HbA1c, not panic. One number on one day is never a diagnosis. Laboratories also print their own reference ranges, so read the range on your report and discuss it with a doctor before drawing conclusions.
PET scans, usually done as a combined PET-CT, show which tissues in the body are unusually active. Their main role is in cancer care: locating disease, checking how well treatment is working and planning the next step. A CT with angiogram, also called CT angiography, is a CT scan taken after injecting a dye that outlines the blood vessels. Doctors use it to study the arteries of the heart, brain, chest or abdomen without a conventional catheter procedure. Both are specialised scans done on a doctor's advice, neither is a routine health check-up to book on your own.
Every short form in this glossary was created to save doctors time, not to keep families in the dark. If a report of yours reads like a wall of abbreviations, bring it along. Our doctors are happy to translate any report into plain language, whether the tests were done with us or anywhere else.
You can consult our general physicians at Prudent International Health Clinic, DNK Square, Viman Nagar, Pune. We are open all 7 days from 9 AM to 9 PM. Call or WhatsApp +91 70287 22200 to book a convenient time.
This article is general health information, not personal medical advice. For guidance specific to you, please consult a qualified doctor, our team is available all 7 days at +91 70287 22200.
About the author

Dr. Deepak Gaikwad
MBBS, MD (General Medicine) · General Physician, 29+ years' experience
Senior consultant physician with 29 years in internal medicine, complex, multi-system and hard-to-pin-down conditions are his daily work.
Consulting at Prudent International Health Clinic, Viman Nagar, Pune
Take the First Step
Consulting at Prudent International Health Clinic, Viman Nagar, Pune.