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Mendelian Inheritance in Man

The Mendelian Inheritance in Man project is a database that catalogues all the known diseases with a genetic component, and - when possible - links them to the relevant genes in the human genome. It is available as a book titled Mendelian Inheritance in Man (MIM), which is currently in its 12th edition.

The online version is called Online Mendelian Inheritance in Man, which can be accessed with the Entrez database searcher of the National Library of Medicine.

OMIM™ and Online Mendelian Inheritance in Man™ are trademarks of the Johns Hopkins University.

Collection process

The information in this database is collected and processed under the leadership of Dr. Victor A. McKusick at Johns Hopkins University, assisted by and a team of science writers and editors. Relevant articles are identified, discussed and written up in the relevant entries in the MIM database

The MIM code

Every disease and gene is assigned a six digit number of which the first number classifies the method of inheritance.

First Digit	Range of MIM codes	Method of inheritance
1	100000-199999	Autosomal loci or phenotypes (created before May 15, 1994)
2	200000-299999	Autosomal loci or phenotypes (created before May 15, 1994)
3	300000-399999	X-linked loci or phenotypes
4	400000-499999	Y-linked loci or phenotypes
5	500000-599999	Mitochondrial loci or phenotypes
6	600000-	Autosomal loci or phenotypes (created after May 15, 1994)

References

• Table from the
• McKusick VA. Mendelian Inheritance in Man; A Catalog of Human Genes and Genetic Disorders. Baltimore, MD: The Johns Hopkins University Press, 1998. ISBN 0-8018-5742-2.