Z55.5
Billable codeLess than a high school diploma
The ICD-10 code for less than a high school diploma is Z55.5.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- No general equivalence degree (GED)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- Z55.0Illiteracy and low-level literacy
- Z55.1Schooling unavailable and unattainable
- Z55.2Failed school examinations
- Z55.3Underachievement in school
- Z55.4Educational maladjustment and discord with teachers and classmates
- Z55.6Problems related to health literacy
- Z55.8Other problems related to education and literacy
- Z55.9Problems related to education and literacy, unspecified
- Z55.5Less than a high school diploma
Associated MS-DRGs
Z55.5 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.