ICD-10 H10.21
Acute toxic conjunctivitis
ICD10
H10.21
Diseases of the eye and adnexa; ear and mastoid process
Description
Acute toxic conjunctivitis
Common Specialties
Emergency Medicine
Documentation Requirements
- Document clinical indications and clear medical necessity supporting the encounter or procedure.
- Ensure complete provider signatures, credentials, date, and specific place of service (POS).
- Verify documentation strictly supports code specificity to prevent downcoding or claim denials.
Billing & Coding Tips
- Verify current payer fee schedules, NCCI edits, and Medically Unlikely Edits (MUEs).
- Append correct modifiers (e.g., 25, 59, 26, TC) where distinct procedural services or components apply.
- Confirm pre-authorization rules with Medicare, Medicaid, and commercial plans before submission.
Related Codes
H10 H10.0 H10.01 H10.011 H10.012 H10.013 H10.019 H10.02 H10.021 H10.022 H10.023 H10.029 H10.1 H10.10 H10.11
Quantum Health Services provides full-cycle revenue cycle management and medical billing services nationwide. This code reference is for educational purposes; always verify official payer policies. CPT© descriptors require proper AMA licensing.