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Z55.0

Billable

Illiteracy and low-level literacy

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A person has difficulty reading and writing or cannot read and write at all.

Coding Tips

  • Document the specific level of literacy impairment when available
  • This code is used for social determinants of health tracking and care coordination purposes

Code Hierarchy

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