H57.052 Tonic pupil, left eye

Billable ICD-10-CM code, FY2026.

MS-DRG index

Defines the logic of DRG(s) 123 in MDC 02.

Approximate ICD-9-CM (GEMs)

• 379.46 Tonic pupillary reaction (approximate)

Code annotations containing back-references to H57.052

Back-references to H57.0

• Type 2 Excludes: R29.2 Abnormal reflex ("abnormal pupillary reflex (H57.0)")

Nearby codes

• H57.02 Anisocoria
• H57.03 Miosis
• H57.04 Mydriasis
• H57.05 Tonic pupil
• H57.051 Tonic pupil, right eye
• H57.052 Tonic pupil, left eye (this code)
• H57.053 Tonic pupil, bilateral
• H57.059 Tonic pupil, unspecified eye
• H57.09 Other anomalies of pupillary function
• H57.1 Ocular pain
• H57.10 Ocular pain, unspecified eye