1. H34 Retinal vascular occlusions

    Excludes1

    1. H34.0 Transient retinal artery occlusion

      1. H34.00 Transient retinal artery occlusion, unspecified eye

      2. H34.01 Transient retinal artery occlusion, right eye

      3. H34.02 Transient retinal artery occlusion, left eye

      4. H34.03 Transient retinal artery occlusion, bilateral

    2. H34.1 Central retinal artery occlusion

      1. H34.10 Central retinal artery occlusion, unspecified eye

      2. H34.11 Central retinal artery occlusion, right eye

      3. H34.12 Central retinal artery occlusion, left eye

      4. H34.13 Central retinal artery occlusion, bilateral

    3. H34.2 Other retinal artery occlusions

      1. H34.21 Partial retinal artery occlusion

        Inclusion term(s):

        • Hollenhorst's plaque
        • Retinal microembolism
        • H34.211 Partial retinal artery occlusion, right eye
        • H34.212 Partial retinal artery occlusion, left eye
        • H34.213 Partial retinal artery occlusion, bilateral
        • H34.219 Partial retinal artery occlusion, unspecified eye
      2. H34.23 Retinal artery branch occlusion

        • H34.231 Retinal artery branch occlusion, right eye
        • H34.232 Retinal artery branch occlusion, left eye
        • H34.233 Retinal artery branch occlusion, bilateral
        • H34.239 Retinal artery branch occlusion, unspecified eye
    4. H34.8 Other retinal vascular occlusions

      1. H34.81 Central retinal vein occlusion

        • H34.811 Central retinal vein occlusion, right eye
        • H34.812 Central retinal vein occlusion, left eye
        • H34.813 Central retinal vein occlusion, bilateral
        • H34.819 Central retinal vein occlusion, unspecified eye
      2. H34.82 Venous engorgement

        Inclusion term(s):

        • Incipient retinal vein occlusion
        • Partial retinal vein occlusion
        • H34.821 Venous engorgement, right eye
        • H34.822 Venous engorgement, left eye
        • H34.823 Venous engorgement, bilateral
        • H34.829 Venous engorgement, unspecified eye
      3. H34.83 Tributary (branch) retinal vein occlusion

        • H34.831 Tributary (branch) retinal vein occlusion, right eye
        • H34.832 Tributary (branch) retinal vein occlusion, left eye
        • H34.833 Tributary (branch) retinal vein occlusion, bilateral
        • H34.839 Tributary (branch) retinal vein occlusion, unspecified eye
    5. H34.9 Unspecified retinal vascular occlusion

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.