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Code of the Day

Wednesday, September 2, 2026

Share card for S93.523D
ICD-10-CM 2026

S93.523D

Sprain of metatarsophalangeal joint of unspecified great toe, subsequent encounter

Editorial Notes

Ever stubbed your big toe so hard it required a follow-up medical visit? Meet ICD-10 code S93.523D, which specifically tracks a subsequent encounter for a sprain of the metatarsophalangeal joint of an unspecified great toe. While the injury itself is common, coding it correctly requires strict attention to the seventh character 'D' for subsequent care. This code highlights how precise clinical documentation must be, even when the initial provider forgot to specify whether it was the left or right foot.