H02.20B
ICD-10-CMThis code signifies an inability to fully close the left eye, affecting both the upper and lower eyelids, without further specification of the underlying cause. This condition leaves the ocular surface exposed, increasing the risk of dryness, irritation, and corneal damage.
Use this code when documentation indicates lagophthalmos of the left eye involving both eyelids, but the specific etiology (e.g., paralytic, nocturnal, cicatricial) is not identified. This code is appropriate when the physician notes "lagophthalmos, left eye, unspecified" or similar, and specifies both upper and lower lid involvement.
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