Haemoglobin, TC, DC and ESR
Quick answer: This combined test measures haemoglobin, total white cell count (TC), the types of white cells (DC) and ESR. It is a basic check for anaemia, infection and inflammation, for example with fever.
- SampleBlood
- TakesAbout 5 minutes
- Before the testNo special preparation is usually needed.
How the test is done
- 1Blood is drawn into one or two tubes
- 2Haemoglobin and the total white cell count are measured by analyser
- 3A smear or analyser gives the share of each white cell type
- 4ESR is measured in an upright tube over one hour
What your results can mean
Reading your report
Each part has its own range, which differs between labs; discuss the results with your doctor.
If the result is outside the usual range
Low haemoglobin can point to anaemia, a high white count to infection, and a raised ESR to inflammation. Together they give a first picture of common causes of fever or tiredness.
Who usually has this test
People with fever, tiredness or suspected infection, often as a first set of blood tests.
Risks and aftercare
Bruising is possible, and you can go about your day.
Names and options
Also called: Hb TC DC ESR, basic blood test
Listed by the hospital as
- HB, TC DC, ESR
Questions about this test
How is this different from a CBC?
A CBC adds platelets and red cell indices but may not include ESR. Your doctor chooses based on what they need to know.
What does DC mean?
DC means differential count. It is the share of each white cell type, such as neutrophils and lymphocytes.
Can this test find the cause of a fever?
It gives clues, such as signs of bacterial or viral infection. More tests are usually needed to find the cause.
Related tests
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This page explains each test in general terms so you know what to expect. It is not medical advice: your doctor decides which tests you need and what your results mean. Reference ranges differ between laboratories. Updated 4 November 2026.