H50.43 Accommodative component in esotropia

ICD-10-CM Diagnosis Code H50.43: Accommodative component in esotropia

ICD-10-CM code H50.43 identifies an accommodative component in esotropia, classified as a disease or syndrome under the broader category of other and unspecified heterotropia. This active terminology record applies to the ICD-10-CM system and represents a specific diagnosis or health-status concept within diseases of the eye and adnexa. 1 4

Plain-language overview

ICD-10-CM code H50.43 is designated for the diagnosis of an accommodative component in esotropia, functioning as an active concept within the standardized medical terminology. 1

The diagnostic concept H50.43 is categorized semantically as a disease or syndrome, providing a standardized label for this specific ocular health-status condition. 1

What this code represents

Code H50.43 represents a diagnosis nested under the parent concept H50.4 for other and unspecified heterotropia, and the terminology structure includes narrower concepts under this specific code. 1

The code H50.43 falls under the ICD-10-CM range H00-H59, which encompasses diseases of the eye and adnexa, situating it within eye-related diagnostic categories. 4

Clinical context

Clinical research on infantile esotropia identifies an associated accommodative component as a variable deviation factor, leading to the exclusion of such patients from a study evaluating botulinum toxin motor outcomes. 2

Documentation considerations

Clinical literature notes that an associated accommodative component can introduce variable deviation in infantile esotropia, representing a distinct clinical factor documented during patient evaluation. 2

What the sources add

A terminology mapping source links the clinical concept of an accommodative component in esotropia to the ICD-10-CM code H50.43, while a separate clinical study details its operational impact on patient exclusion criteria. 3 2

While official terminology sources define the active status and hierarchical parent of code H50.43, a third-party reference provides the broader chapter context of diseases of the eye and adnexa. 1 4

Questions to verify

The supplied sources do not establish whether code H50.43 represents a billable level of specificity for reimbursement purposes or define the exact laterality and encounter character requirements for this diagnosis. 1 4

Sources

1. ICD-10-CM H50.43 terminology record — National Cancer Institute Enterprise Vocabulary Services; accessed 2026-07-27.
2. Long-Term Effects of Botulinum Toxin in Large-Angle Infantile Esotropia — pmc.ncbi.nlm.nih.gov; accessed 2026-07-27.
3. EVS Explore — evsexplore.semantics.cancer.gov; accessed 2026-07-27.
4. H50.43 — Accommodative component in esotropia | ICD-10 Code · Eleplan — eleplan.com; accessed 2026-07-27.