ICD-10-CM › Z00-Z99 › Z55-Z65 › Z55 Problems related to education and literacy › Z55.0
Illiteracy and low-level literacy
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Illiteracy and low-level literacy
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from Z55 Problems related to education and literacy
Excludes1 - never coded here
- disorders of psychological development (F80-F89)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Illiteracy
- Problem > illiteracy
- Low > level of literacy
- Problem > literacy > low level
Codes in the same group
| Code | Description | Status |
|---|---|---|
| Z55.1 | Schooling unavailable and unattainable | Valid |
| Z55.2 | Failed school examinations | Valid |
| Z55.3 | Underachievement in school | Valid |
| Z55.4 | Educational maladjustment and discord with teachers and classmates | Valid |
| Z55.5 | Less than a high school diploma | Valid |
| Z55.6 | Problems related to health literacy | Valid |
| Z55.8 | Other problems related to education and literacy | Valid |
| Z55.9 | Problems related to education and literacy, unspecified | Valid |