Z55.8
✓ Billable
Other problems related to education and literacy
ICD-10-CM · FY2026 · Factors Influencing Health Status
Code
Z55.8
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Factors Influencing Health Status
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code Z55.8?
ICD-10-CM code Z55.8 represents Other problems related to education and literacy. It is a billable diagnosis code in the Factors Influencing Health Status chapter, effective October 1, 2025 – September 30, 2026.
Is Z55.8 billable?
Yes. Z55.8 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is Z55.8 in?
Z55.8 belongs to the Factors Influencing Health Status chapter (Z00–Z99) of ICD-10-CM.
Related codes in the Z55 category
Z55
Problems related to education and literacy
Non-billable
Z55.0
Illiteracy and low-level literacy
Billable
Z55.1
Schooling unavailable and unattainable
Billable
Z55.2
Failed school examinations
Billable
Z55.3
Underachievement in school
Billable
Z55.4
Educational maladjustment and discord with teachers and classmates
Billable
Z55.5
Less than a high school diploma
Billable
Z55.6
Problems related to health literacy
Billable
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