Billable / Specific Code
ICD-10-CM H21.512 is the diagnosis code for Anterior synechiae (iris), left 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 H21.512 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, H21.512 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
H21.512 is the ICD-10-CM diagnosis code for "Anterior synechiae (iris), left eye". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of H21.512 is H21.51 ("Anterior synechiae (iris)"). H21.512 provides a more specific classification within this category.
H21.512 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 H21.512 when the patients documented diagnosis matches "Anterior synechiae (iris), left 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 Anterior synechiae (iris), left eye is H21.512.
Yes, H21.512 can be used as a primary diagnosis code since it is billable and specific.
H21.512 is in Chapter 7 of the ICD-10-CM Tabular List.
Yes, H21.512 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.