ICD-10-CM Code H20: Iridocyclitis and Related Diagnosis Codes.


The ICD-10-CM (the International Classification of Diseases, Tenth Revision, Clinical Modification) is a standardized coding system used when classifying diseases and medical conditions. Healthcare providers report these codes on Medical claims when diagnosing patient care.

Explore ICD-10-CM codes, organized by chapters based on body systems and medical conditions, as outlined in the International Classification of Diseases, Tenth Revision, Clinical Modification.

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A categorized list of ICD-10-CM codes organized by chapters based on body systems or medical conditions, according to the International Classification of Diseases, Tenth Revision, Clinical Modification.

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  • H20 - Iridocyclitis
    • H20.0 - Acute and subacute iridocyclitis
      • H20.00 - Unspecified acute and subacute iridocyclitis
      • H20.01 - Primary iridocyclitis
        • H20.011 - Primary iridocyclitis, right eye
        • H20.012 - Primary iridocyclitis, left eye
        • H20.013 - Primary iridocyclitis, bilateral
        • H20.019 - Primary iridocyclitis, unspecified eye
      • H20.02 - Recurrent acute iridocyclitis
        • H20.021 - Recurrent acute iridocyclitis, right eye
        • H20.022 - Recurrent acute iridocyclitis, left eye
        • H20.023 - Recurrent acute iridocyclitis, bilateral
        • H20.029 - Recurrent acute iridocyclitis, unspecified eye
      • H20.03 - Secondary infectious iridocyclitis
        • H20.031 - Secondary infectious iridocyclitis, right eye
        • H20.032 - Secondary infectious iridocyclitis, left eye
        • H20.033 - Secondary infectious iridocyclitis, bilateral
        • H20.039 - Secondary infectious iridocyclitis, unspecified eye
      • H20.04 - Secondary noninfectious iridocyclitis
        • H20.041 - Secondary noninfectious iridocyclitis, right eye
        • H20.042 - Secondary noninfectious iridocyclitis, left eye
        • H20.043 - Secondary noninfectious iridocyclitis, bilateral
        • H20.049 - Secondary noninfectious iridocyclitis, unspecified eye
      • H20.05 - Hypopyon
        • H20.051 - Hypopyon, right eye
        • H20.052 - Hypopyon, left eye
        • H20.053 - Hypopyon, bilateral
        • H20.059 - Hypopyon, unspecified eye
    • H20.1 - Chronic iridocyclitis
      • H20.10 - Chronic iridocyclitis, unspecified eye
      • H20.11 - Chronic iridocyclitis, right eye
      • H20.12 - Chronic iridocyclitis, left eye
      • H20.13 - Chronic iridocyclitis, bilateral
    • H20.2 - Lens-induced iridocyclitis
      • H20.20 - Lens-induced iridocyclitis, unspecified eye
      • H20.21 - Lens-induced iridocyclitis, right eye
      • H20.22 - Lens-induced iridocyclitis, left eye
      • H20.23 - Lens-induced iridocyclitis, bilateral
    • H20.8 - Other iridocyclitis
      • H20.81 - Fuchs' heterochromic cyclitis
        • H20.811 - Fuchs' heterochromic cyclitis, right eye
        • H20.812 - Fuchs' heterochromic cyclitis, left eye
        • H20.813 - Fuchs' heterochromic cyclitis, bilateral
        • H20.819 - Fuchs' heterochromic cyclitis, unspecified eye
      • H20.82 - Vogt-Koyanagi syndrome
        • H20.821 - Vogt-Koyanagi syndrome, right eye
        • H20.822 - Vogt-Koyanagi syndrome, left eye
        • H20.823 - Vogt-Koyanagi syndrome, bilateral
        • H20.829 - Vogt-Koyanagi syndrome, unspecified eye
    • H20.9 - Unspecified iridocyclitis

Note: The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) codes are developed and maintained by the Centers for Disease Control and Prevention (CDC). CDC's National Center for Health Statistics (NCHS) is responsible for the clinical modification of ICD-10 for use in the United States. The World Health Organization (WHO), which owns and publishes ICD-10, authorized NCHS to develop ICD-10-CM. All modifications to ICD-10 must conform to WHO's established ICD structure and conventions. All rights are reserved by the respective entities.