ICD-10-CM > H00-H59 > H15-H22 > H18 > H18.0 > H18.04 H18.04 Kayser-Fleischer ring Non-Billable/Non-Specific Code Also associated Wilson's disease (E83.01) Codes H18.041Kayser-Fleischer ring, right eyeH18.042Kayser-Fleischer ring, left eyeH18.043Kayser-Fleischer ring, bilateralH18.049Kayser-Fleischer ring, unspecified eye