Billable / Specific Code
ICD-10-CM H44.421 is the diagnosis code for Hypotony of right eye due to ocular fistula. This code falls under the section "Disorders of vitreous body and globe" 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 H44.421 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, H44.421 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
H44.421 is the ICD-10-CM diagnosis code for "Hypotony of right eye due to ocular fistula". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of H44.421 is H44.42 ("Hypotony of eye due to ocular fistula"). H44.421 provides a more specific classification within this category.
H44.421 is located in Section H43-H44 — "Disorders of vitreous body and globe" within Chapter 7 of the ICD-10-CM Tabular List.
Use H44.421 when the patients documented diagnosis matches "Hypotony of right eye due to ocular fistula" 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 Hypotony of right eye due to ocular fistula is H44.421.
Yes, H44.421 can be used as a primary diagnosis code since it is billable and specific.
H44.421 is in Chapter 7 of the ICD-10-CM Tabular List.
Yes, H44.421 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.