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  2. ICD-10-CM
  3. Ch. Z00-Z99
  4. Sec. Z55-Z65
  5. Category Z55
Category Z55

Problems related to education and literacy

Clinical Classification Guidelines

Specific Diagnosis Codes

Illiteracy and low-level literacy
Z55.0
Schooling unavailable and unattainable
Z55.1
Failed school examinations
Z55.2
Underachievement in school
Z55.3
Educational maladjustment and discord with teachers and classmates
Z55.4
Less than a high school diploma
Z55.5
Problems related to health literacy
Z55.6
Other problems related to education and literacy
Z55.8
Problems related to education and literacy, unspecified
Z55.9
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Data updated for October 2025 release.

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