How much does a DNA paternity test for a baby cost?

親子鑑定 NIPPT DNA鑑定 費用

The cost of a DNA paternity test for a baby depends on the type of test, the testing organisation and the purpose (private confirmation or legal proof).Typical prices are as follows.

1. Private parent-child assessments

This is an appraisal where a simple sample is taken at home and sent to confirm the parent-child relationship. This has no legal effect, but is widely used to confirm the parent-child relationship.

  • Cost: approx. 30,000 – 50,000 yen
  • Characteristics: this is a form of identification in which samples are taken from cells (saliva) or hair in the oral cavity and sent by post.The cost is relatively low and results are usually available in one to three weeks.

2. DNA paternity testing in accordance with the law

This is a paternity test that can be used as evidence in court or administrative proceedings.In this case, importance is attached to the control of the samples taken in accordance with strict procedures.

  • Cost: approx. 70,000-100,000 yen
  • Features: samples are taken at designated locations and in the presence of a medical institution or third party.Formal documentation is issued and can be used as legal evidence.It often takes 2-4 weeks to receive the results.

3. Additional options

  • Express service: if you want to know the results quickly, there is an option to get the results within 3-7 days for an additional fee.The additional cost is between JPY 10,000 and JPY 30,000.
  • Adding multiple samples: if DNA from other family members, such as siblings or grandparents, is also tested, the additional cost may be between 10,000 and 20,000 yen.

4. Differences in testing methods

  • Saliva and oral cells: most common, non-invasive method.Can be easily collected, even in babies.
  • Hair and nails: it is possible to extract DNA from rooted hair and nails, even if the sample is not saliva. However, in some cases additional costs may apply.

Summary

  • Private parent-child assessments: ¥30,000-50,000.
  • Parent-child appraisal: 70,000-100,000yen
  • Additional options: costs between 10,000 and 30,000 for express service and additional samples

When requesting an appraisal, it is important to check the reputation of the appraisal organisation and the services it offers for your purposes, and to choose the right service for your needs.

Supervisor of the article


Dr. Hiroshi Oka

Director of CAP Laboratory

Graduated from Keio University, Faculty of Medicine

Doctor of Medicine

Medical Doctor