Billable / Specific Code
ICD-10-CM H16.221 is the diagnosis code for Keratoconjunctivitis sicca, not specified as Sjögren's, right eye. This code falls under the section "Disorders of sclera, cornea, iris and ciliary body" within Chapter 7 — Diseases of the eye and adnexa (H00-H59). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where H16.221 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, H16.221 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
H16.221 is the ICD-10-CM diagnosis code for "Keratoconjunctivitis sicca, not specified as Sjögren's, right eye". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of H16.221 is H16.22 ("Keratoconjunctivitis sicca, not specified as Sjögren's"). H16.221 provides a more specific classification within this category.
H16.221 is located in Section H15-H22 — "Disorders of sclera, cornea, iris and ciliary body" within Chapter 7 of the ICD-10-CM Tabular List.
Use H16.221 when the patients documented diagnosis matches "Keratoconjunctivitis sicca, not specified as Sjögren's, right eye" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Keratoconjunctivitis sicca, not specified as Sjögren's, right eye is H16.221.
Yes, H16.221 can be used as a primary diagnosis code since it is billable and specific.
H16.221 is in Chapter 7 of the ICD-10-CM Tabular List.
Yes, H16.221 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.