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Article
March 1969

Coding System for Disorders of the Eye.

Arch Ophthalmol. 1969;81(3):451-452. doi:10.1001/archopht.1969.00990010453031

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Abstract

Ophthalmology's coding needs have been met in a barely marginal manner to the present time. The Coding System for Disorders of the Eye is a major step forward, for it gives not only a basic system for the specific use of ophthalmologists but also a system which is compatible with the International Classification of Diseases Adapted (ICDA), new version. Thus, an eye coding system will be available for use within the structure of a general disease coding system for the first time.

The Coding System for Disorders of the Eye provides a six-digit system with the first four digits representing the disease process and the last two digits representing etiology. The first digit is limited to the numbers 6 and 7 to provide compatibility with the ICDA. The system is a somewhat confining precoordinated structure with less flexibility than would occasionally be desired. Nine tables are fashioned so that the

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