Home > 2013 ICD-9-CM Diagnosis Codes > Diseases Of The Nervous System And Sense Organs 320-389 > Disorders Of The Eye And Adnexa 360-379 > Strabismus and other disorders of binocular eye movements 378-
2013 ICD-9-CM Diagnosis Code 378.55
External ophthalmoplegia
- ICD-9-CM 378.55 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
378.55 Alternative Terminology
- Bilat progressive external ophthalmoplegia
- Bilateral progressive external ophthalmoplegia
- L progressive external ophthalmoplegia
- Left progressive external ophthalmoplegia
- Progressive external ophthalmoplegia, both eyes
- R progressive external ophthalmoplegia
- Right progressive external ophthalmoplegia
- Tolosa hunt syndrome
- Tolosa-hunt syndrome
Convert 378.55 to ICD-10-CM 

ICD-9-CM 378.55 converts approximately to:
- 2013 ICD-10-CM H49.40 Progressive external ophthalmoplegia, unspecified eye
ICD-9-CM Volume 2 Index entries containing back-references to 378.55:
- Ophthalmoplegia (see also Strabismus) 378.9

painful 378.55
- Painful - see also Pain
ophthalmoplegia 378.55
- Paralysis, paralytic (complete) (incomplete) 344.9

eye muscle (extrinsic) 378.55
intrinsic 367.51
muscle (flaccid) 359.9
rectus muscle (eye) 378.55
- Paresis (see also Paralysis) 344.9

extrinsic muscle, eye 378.55
- Syndrome - see also Disease
Tolosa-Hunt 378.55
- Tolosa-Hunt syndrome 378.55
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 378.55 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2013 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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