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ICD-10-CM Code H49.42
Progressive external ophthalmoplegia, left eye

BILLABLE
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

H49.42 is a billable ICD code used to specify a diagnosis of progressive external ophthalmoplegia, left eye. A 'billable code' is detailed enough to be used to specify a medical diagnosis.


The ICD code H494 is used to code Ophthalmoparesis

Ophthalmoparesis or ophthalmoplegia refers to weakness (-paresis) or paralysis (-plegia) of one or more extraocular muscles which are responsible for eye movements. It is a physical finding in certain neurologic, ophthalmologic, and endocrine disease.

Specialty: Ophthalmology
MeSH Codes: D009886, D009886, D009886, D009886, D009886, D009886, D009886
ICD 9 Codes: 378.9, 367.52, 376.22, 378.55, 378.56, 378.72, 378.86

Neuro-ophthalmologic examination showing ophthalmoplegia affecting the left eye in a patient with Tolosa-Hunt syndrome. The central image represents forward gaze, and each image around it represents gaze in that direction (for example, in the upper left image, the patient looks up and right; the left eye is unable to accomplish this.

Source: Wikipedia

MS-DRG Mapping

  • DRG Group #123 - Neurological eye disorders.

Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)

External ophthalmoplegia (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code H49.42 and a single ICD9 code, 378.55 is an approximate match for comparison and conversion purposes.


Parent Code: H49.4 - Progressive external ophthalmoplegia

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/H4942