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RIMS1 Gene Cone-Rod Dystrophy Type 7 NGS Genetic Test

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RIMS1 Gene Cone-Rod Dystrophy Type 7 NGS Genetic Test

Short Name: RIMS1 CRD7 NGS Genetic Test

Also known as: RIMS1 gene mutation analysis, Cone-rod dystrophy type 7 genetic test, RIMS1 NGS test

RIMS1 Gene Cone-Rod Dystrophy Type 7 NGS Genetic Test test available at DNA Labs India for ₹20,000. Uses Next Generation Sequencing (NGS) on Blood or Extracted DNA or One drop Blood on FTA Card samples. Results in Reports are generally delivered within 3 to 4 weeks after the sample is received by the laboratory.. Free home collection in 300+ cities across India.

NGS Genetic TestAll age groups🏠 Home Collection

🩺 Medically Reviewed By

Overview

The purpose of this test is to identify genetic variants in the RIMS1 gene in individuals with suspected cone-rod dystrophy type 7, confirm the clinical diagnosis, and help guide management and family discussions.

Test Code
3821
Price
₹20,000
Sample Type
Blood or Extracted DNA or One drop Blood on FTA Card
Result Time
Reports are generally delivered within 3 to 4 weeks after the sample is received by the laboratory.
Fasting Required
No
Method
Next Generation Sequencing (NGS)
Step 1

Sample Collection

No special preparation is required. It is important to share the clinical history and any previous eye test reports. A genetic counselling session may be arranged to draw a family pedigree and discuss the purpose of the test.

Method: Venipuncture / FTA spot collection

Step 2

Laboratory Analysis

A small blood sample is collected from a vein, or a single drop of blood is placed on an FTA card. The procedure takes a few minutes and is generally safe.

Step 3

Report Delivery

You can resume normal activities. The laboratory will process the sample and provide the report in 3 to 4 weeks.

Timeline: Reports are generally delivered within 3 to 4 weeks after the sample is received by the laboratory.

Patient Instructions

1
Before the Test:Discuss your symptoms, family history and previous eye examinations with your doctor. No dietary or lifestyle preparation is needed.
2
During the Test:The sample collection is simple and quick. Blood is drawn by venipuncture or a single drop of blood is collected on an FTA card.
3
After the Test:You can leave immediately after sample collection and continue your routine. Report delivery takes 3 to 4 weeks.

About This Test

Who Should Get This Test

The purpose of this test is to identify genetic variants in the RIMS1 gene in individuals with suspected cone-rod dystrophy type 7, confirm the clinical diagnosis, and help guide management and family discussions.

How to Prepare

  • No fasting is required
  • Share relevant clinical history and family pedigree
  • Home sample collection is available for online bookings
  • Ask for Raw Data, FASTQ and VCF files along with the clinical report

Doctor's Notes

Reviewed by — MBBS, MD (Medical Genetics) · Reg. No. 8532

"An ophthalmologist may order this NGS genetic test when clinical findings and imaging are suggestive of cone-rod dystrophy. The genetic result supports precision counselling, surveillance and family management, but it should always be combined with the clinical evaluation."

Last medically reviewed: September 7, 2026

Test Parameters & Specifications

Sample TypeBlood or Extracted DNA or One drop Blood on FTA Card
Sample VolumeAs per laboratory protocol
ContainerEDTA vacutainer / FTA card
Collection MethodVenipuncture / FTA spot collection

Sample Stability

Sample Rejection Criteria:
  • Insufficient sample or sample in an incorrect container
  • Unlabeled or mislabeled sample
  • Clotted blood sample unsuitable for DNA extraction
  • Sample leaking during transportation

Understanding Your Results

The RIMS1 gene cone-rod dystrophy type 7 NGS test result should be interpreted by the treating clinician in combination with eye examination findings, family history and other relevant investigations.
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⚠️ When to Consult a Doctor:

Consult an ophthalmologist or clinical geneticist if you or a family member have symptoms such as decreasing vision, night blindness, colour vision loss, difficulty seeing fine details, or a known family history of retinal dystrophy.

Limitations

  • This is a targeted test for the RIMS1 gene only; variants in other genes causing similar retinal dystrophies are not assessed.
  • Large structural rearrangements may not be identified by standard NGS analysis.
  • Variants of uncertain significance may require additional family studies.
  • A negative result does not exclude cone-rod dystrophy type 7 or another inherited retinal condition.

Risks & Considerations

  • Minimal bruising or pain at the venipuncture site
  • Slight bleeding at the injection site
  • FTA card collection is minimally invasive

Interfering Factors

  • Insufficient or degraded DNA
  • Contamination during sample collection
  • Low sequencing depth in specific genetic regions
  • Sample mislabelling or wrong collection tube

Compare With Similar Tests

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Frequently Asked Questions

What is the RIMS1 gene cone-rod dystrophy type 7 NGS genetic test?
It is a targeted next-generation sequencing test that analyses the RIMS1 gene to look for mutations associated with cone-rod dystrophy type 7.
What disease is this test related to?
Cone-rod dystrophy type 7 (CRD7) is a rare retinal disorder that affects photoreceptor cells and causes progressive vision loss and other visual symptoms.
Who should consider this test?
People with unexplained low-light vision deterioration, colour vision loss, night blindness, peripheral vision loss, or a family history of CRD7 may be considered. An eye specialist or clinical geneticist should decide after clinical evaluation.
What sample is required for the RIMS1 gene test?
A blood sample, extracted DNA, or one drop of blood on an FTA card. Details are provided during booking.
Do I need to fast before this test?
No, fasting is not required for the RIMS1 gene cone-rod dystrophy type 7 NGS genetic test.
What is the cost of the RIMS1 gene cone-rod dystrophy type 7 NGS test in India?
The test costs Rs 20000 at DNA Labs India, with free home sample collection for online bookings in many cities.
How long will it take to get the report?
Reports are generally issued in 3 to 4 weeks after the sample is received by the laboratory.
What does the NGS test detect?
It detects changes in the RIMS1 gene, including single nucleotide variants and small insertions or deletions that may cause cone-rod dystrophy type 7.
Is home sample collection available?
Yes, DNA Labs India provides free home sample collection in many cities for online bookings of this test.
What should I know before going for the test?
You should provide your clinical history and family pedigree. A genetic counselling session may be arranged to help understand the role of the test.
What does a negative test result mean?
A negative result means no pathogenic variant was detected in the RIMS1 gene in this analysis. It does not completely exclude CRD7 or another inherited retinal condition. Further clinical correlation may be needed.
Will this test help in family planning or screening?
The result may help clarify the genetic basis of the condition and can be useful for family risk discussion. Please consult your genetic counsellor or doctor for family planning advice.
Worried about the process? Our certified phlebotomists collect thousands of samples every month across India. The process takes under 5 minutes and is virtually painless. Questions? Message us on WhatsApp — we're here 7 days a week.

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