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FBS - Fasting Blood Sugar Test

A Test That Measures Blood Sugar Levels While Fasting. Elevated Levels are associated With Diabetes and insulin Resistance.

Fasting Blood Sugar Test Info & Procedure

Group NameDIABETES
Fasting8–12 hours fasting required
Sample TypeFLUORIDE
Sample CollectionHome sample collection
ReportsMost reports: 24–48 hours after the sample reaches the lab; timing varies by test.
Report typeDigital report

Fasting Blood Sugar Test Visual Guide

Checks blood glucose after overnight fasting for diabetes screening and control.

Technician collecting a blood sample from a woman at home

Download Fasting Blood Sugar Test Visual Guide infographic (PNG)

ResultReported in mg/dL.
What it showsCurrent fasting level.
SampleBlood after overnight fasting.
Common useDiabetes and fasting sugar control.

How Fasting Sugar Works

  1. Fast overnightNo calories before sample
  2. Glucose measuredBlood sugar is tested
  3. Risk bandResult is compared with range

Typical result context

Result contextGuide
Normal70 - 99 mg/dL
Prediabetes100 - 125 mg/dL
Diabetes126+ mg/dL

A repeat test or other diabetes test may be advised before diagnosis.

Why it may be advised

  • Screen diabetes risk
  • Check fasting control
  • Monitor lifestyle changes

When to discuss it

  • Frequent thirst
  • Family history
  • Weight or BP risk

Often reviewed with

  • HbA1c
  • Post-meal sugar
  • Insulin fasting

Simple Testing Flow

  1. BookSelect fasting sugar test online
  2. Home VisitCollection executive arrives
  3. SampleSample collected as instructed
  4. Lab ReportProcessed and shared digitally

Fasting needed

  • Usually 8-12 hours fasting
  • Water is generally allowed

May affect result

  • Recent meal
  • Acute illness
  • Steroid medicines

Single-time value

  • Shows fasting snapshot
  • Pair with HbA1c for trend

About the Test

Fasting Blood Sugar is a laboratory test that measures a result in a Blood (FLUORIDE) sample. It may be ordered to investigate symptoms, support a diagnosis or monitor a condition, depending on your clinician's advice.

The current booking price is shown at Rs. 64 against an MRP of Rs. 80, inclusive of taxes where applicable.

Fast for 8–12 hours before sample collection. Plain water is allowed unless your clinician advises otherwise. Home sample collection is available in serviceable cities. A trained phlebotomist collects the sample using sterile equipment, and the report is shared online after processing.

Fasting Blood Sugar blood test sample collection

Fasting Blood Sugar Sample Report Format & Ranges

Relevant details from a Thyrocare sample report are shown below. A standalone PDF preview for Fasting Blood Sugar is not available here. Reference intervals may vary by method and patient factors. Use the interval printed on your own final report.

Conducted at Thyrocare Labs
Lab Accreditation CAP, NABL, UKAS, ANAB

Fasting Blood Sugar Thyrocare Sample-Report Range Table

Parameter Unit Reference Range
FASTING BLOOD SUGAR(GLUCOSE) mg/dL 70-100

Fasting Blood Sugar Reference Guide

Educational guide only. The Thyrocare sample-report range is shown in the Reports & Ranges section. For your own result, use the range on your final report and discuss it with your clinician.

Why This Test Is Ordered

ReasonDescription
Diabetes screeningChecks blood glucose after fasting.
MonitoringUsed by people tracking diabetes or prediabetes.
Metabolic reviewOften paired with HbA1c, insulin or lipid profile.

Symptoms And Who Should Test

SituationDescription
SymptomsFrequent urination, thirst, fatigue, blurred vision, slow healing.
Risk factorsOverweight, family history, high BP, PCOS, low activity, past gestational diabetes.
Follow-up usersPeople with high random sugar or abnormal HbA1c.

Preparation And Interpretation Notes

TopicGuidance
FastingFast for 8–12 hours before sample collection. Plain water is allowed unless your clinician advises otherwise.
WaterPlain water is usually allowed.
InterpretationRecent illness, medicines and stress can affect glucose.

Home sample collection for Fasting Blood Sugar is available in the cities below, subject to confirmation of your pincode at booking.

Check all cities where service is available →

Fasting Blood Sugar Test Price

Test conducted by Thyrocare partner laboratory Thyrocare Technologies Limited
Thyrocare partner laboratory
Rs. 80
Rs.64 20% Off
Free Home Sample Collection
Pay after sample collection
CAP Accredited NABL Accredited UKAS Management Systems ANAB Accredited

Why Choose Thyrocare for Fasting Blood Sugar

Review the preparation guidance, sample type, home collection availability and report information before booking Fasting Blood Sugar. The final collection and reporting details are confirmed during booking.
Home sample collection for diagnostic testing

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Laboratory Processing

Your sample is collected by a trained phlebotomist and sent to the partner laboratory for analysis. The laboratory processes the sample using its validated procedures and quality controls. Your final report shows the result, unit and reference range used for that test. Discuss an unexpected or abnormal result with your clinician.