2023

  1. ICD-10-CM Codes
    2. ›
  2. H00-H59
    3. ›
  3. H49-H52
    4. ›
  4. H49-
    5. ›
  5. 2023 ICD-10-CM Diagnosis Code H49

2023 ICD-10-CM Diagnosis Code H49

Paralytic strabismus

    2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
  • H49 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2023 edition of ICD-10-CM H49 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of H49 - other international versions of ICD-10 H49 may differ.
Type 2 Excludes
Type 2 Excludes Help
A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (H49) and the excluded code together.
  • internal ophthalmoplegia (
    ICD-10-CM Diagnosis Code H52.51

    Internal ophthalmoplegia (complete) (total)

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    H52.51-
    )
  • internuclear ophthalmoplegia (
    ICD-10-CM Diagnosis Code H51.2

    Internuclear ophthalmoplegia

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    H51.2-
    )
  • progressive supranuclear ophthalmoplegia (
    ICD-10-CM Diagnosis Code G23.1

    Progressive supranuclear ophthalmoplegia [Steele-Richardson-Olszewski]

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Progressive supranuclear palsy
    G23.1
    )
The following code(s) above H49 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to H49:
  • H00-H59
    2023 ICD-10-CM Range H00-H59

    Diseases of the eye and adnexa

    Note
    • Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition
    Type 2 Excludes
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
    • diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • injury (trauma) of eye and orbit (S05.-)
    • injury, poisoning and certain other consequences of external causes (S00-T88)
    • neoplasms (C00-D49)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    • syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71)
    Diseases of the eye and adnexa
  • H49-H52
    2023 ICD-10-CM Range H49-H52

    Disorders of ocular muscles, binocular movement, accommodation and refraction

    Type 2 Excludes
    • nystagmus and other irregular eye movements (H55)
    Disorders of ocular muscles, binocular movement, accommodation and refraction
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
ICD-10-CM Codes Adjacent To H49
H47.629 …… unspecified side of brain
H47.63 Disorders of visual cortex in (due to) neoplasm
H47.631 …… right side of brain
H47.632 …… left side of brain
H47.639 …… unspecified side of brain
H47.64 Disorders of visual cortex in (due to) vascular disorders
H47.641 …… right side of brain
H47.642 …… left side of brain
H47.649 …… unspecified side of brain
H47.9 Unspecified disorder of visual pathways
H49 Paralytic strabismus
H49.0 Third [oculomotor] nerve palsy
H49.00 …… unspecified eye
H49.01 …… right eye
H49.02 …… left eye
H49.03 …… bilateral
H49.1 Fourth [trochlear] nerve palsy
H49.10 …… unspecified eye
H49.11 …… right eye
H49.12 …… left eye
H49.13 …… bilateral

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

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