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Clinical · Chromosomal
G-Band · 46 Chromosomes · >99% Accuracy

Karyotyping

See All 46 Chromosomes. Diagnose Chromosomal Conditions With >99% Accuracy.

Karyotyping is the gold-standard chromosomal analysis test — providing a complete visual map of all 46 human chromosomes. Using G-Banding technique, chromosomes are stained and photographed under a microscope, allowing detection of numerical abnormalities (extra or missing chromosomes), structural rearrangements (translocations, inversions, deletions), mosaicism, and sex chromosome disorders. It is the first-line diagnostic test for Down syndrome, Turner syndrome, Klinefelter syndrome, and many other chromosomal conditions — confirming diagnoses, guiding treatment, and enabling informed family planning.

★★★★★
5.0 (Verified clinical test) NABL & CAP lab
Sample type
Blood (Heparin)
Turnaround
10–12 days
Chromosomes
All 46 analyzed
Technology
G-Banding
Karyotyping Chromosomal Analysis
Chromosomal conditions detected
Down Syndrome
47,XX/XY,+21 (Trisomy 21)
Extra copy of chromosome 21 — intellectual disability, developmental delay, characteristic features
Turner Syndrome
45,X (Monosomy X)
Missing X chromosome in females — short stature, infertility, heart defects
Klinefelter Syndrome
47,XXY
Extra X in males — infertility, tall stature, learning difficulties
Translocations & Rearrangements
Balanced / Unbalanced
Chromosomal material rearrangements — can cause recurrent miscarriage or birth defects
Mosaicism
Mixed cell lines
Two or more cell populations with different chromosome numbers — variable severity
Other Aneuploidies
Trisomy 18, 13, etc.
Edwards (T18), Patau (T13) and other chromosome count abnormalities detectable
What you'll discover

Complete chromosome map

Visual G-banded karyotype of all 46 chromosomes — complete picture of chromosome number and structure

All 46 chromosomes

Diagnosis confirmation

Definitive diagnosis of Down syndrome, Turner, Klinefelter, and other chromosomal syndromes

>99% accuracy

Structural rearrangements

Translocations, inversions, deletions, and duplications visible at chromosomal level

Structural analysis

Recurrent miscarriage cause

Identify balanced translocations in parents that cause recurrent pregnancy loss

RPL evaluation

Sex chromosome disorders

Turner syndrome, Klinefelter, XYY, Triple X, and other sex chromosome abnormalities

Sex chr analysis

Family planning guidance

If a translocation is found, guides reproductive decisions and risk assessment for future pregnancies

Genetic counseling
How it works
1

Order online

Place your order. Sample collection at a nearby lab is recommended — heparin blood tube required (not standard EDTA).

2

Blood sample collection

2–3ml blood in a sodium heparin tube — collected at any pathology lab near you. Heparin is essential for cell culture in karyotyping.

3

Cell culture + G-Band staining

Blood cells are cultured to stimulate division, then arrested at metaphase. Chromosomes stained with Giemsa (G-banding) to reveal characteristic band patterns — analyzed under microscope in our NABL & CAP accredited lab.

4

Karyotype image + report

Chromosomes photographed, sorted into pairs (karyogram), and analyzed by cytogeneticist. Detailed report in 10–12 days with karyotype image, interpretation, and clinical significance.

Sample report preview

Your Karyotyping Report

A snapshot of your chromosomal analysis report

Karyotype Result
46,XY
Normal male karyotype
Total Chromosomes
46
Normal chromosome number
Abnormalities
None
No structural changes
Mosaicism
None
Single cell line
G-banded karyogram image
ISCN notation
All 23 chromosome pairs
Structural analysis
Clinical interpretation
Clinician-ready report
Frequently asked questions
Who should consider karyotyping?
Karyotyping is recommended for children with unexplained intellectual disability, developmental delay, or dysmorphic features; adults with infertility or recurrent pregnancy loss; individuals with ambiguous genitalia or sex development disorders; people with a family history of chromosomal abnormalities; couples with recurrent miscarriages (both partners should be tested); newborns with suspected chromosomal syndromes; and to confirm prenatal test results after birth.
Why does karyotyping need a heparin tube, not EDTA?
Karyotyping requires living cells that can be cultured and induced to divide. Sodium heparin is an anticoagulant that preserves cell viability better than EDTA for this purpose. EDTA (standard blood tube) can interfere with the cell culture process needed to grow chromosomes for analysis. Most pathology labs will have heparin tubes — just mention karyotyping when getting blood drawn.
What is G-banding?
G-banding (Giemsa banding) is the standard staining technique used in karyotyping. After chromosomes are arrested at metaphase, they are stained with Giemsa stain, which produces alternating dark and light bands on each chromosome. Each chromosome has a unique banding pattern — like a fingerprint — allowing cytogeneticists to identify each chromosome pair and detect abnormalities in their structure or number.
What can karyotyping NOT detect?
Karyotyping detects large chromosomal abnormalities but cannot identify single-gene mutations (like BRCA, CFTR, etc.) or small chromosomal changes such as microdeletions and microduplications — these require CMA (Chromosomal Microarray) or NGS testing. For conditions caused by single gene mutations rather than whole-chromosome changes, gene-specific tests or WES are more appropriate.
Is my data safe?
Yes. All data is protected under ISO 27001, HIPAA, and GDPR standards. Never shared with insurance companies, employers, or third parties without your consent.
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🧬 Clinical Genomics · Chromosomal
₹3,500
  • All 46 chromosomes analyzed
  • G-banding — gold-standard method
  • G-banded karyogram image included
  • >99% accuracy for major abnormalities
  • NABL & CAP accredited lab
  • ISCN-standard report included
Sample note: Blood must be collected in a sodium heparin tube — not standard EDTA. Please mention "karyotyping" when getting blood drawn at any lab near you.
Quantity
1
Secure checkout · SSL encrypted
Results in 10–12 days
Data never shared with insurers
NABL & CAP accredited
100% private · GDPR compliant
Genomic Expert Consultation — Available
After results, our Genomic Expert can help interpret findings and guide next steps including specialist referrals for confirmed chromosomal conditions.
Appointment link sent via email after order confirmation.
NABL & CAP

Accredited lab

G-Banding

Gold-standard method

All 46 Chr

Complete analysis

>99% Accurate

Major abnormalities

100% Private

GDPR compliant

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When karyotype is normal but a genetic cause is still suspected, WES sequences all 23,000 protein-coding genes for comprehensive rare disease diagnosis.

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