ICD-10-CM Alphabetic Index

Delivery, complicated, by, laceration, perineum, perineal, third degree, with

Sub-terms(3)

—both external anal sphincter(EAS) and internal anal sphincter (IAS) torn (IIIc)O70.23—less than 50% of external anal sphincter(EAS) thickness torn (IIIa)O70.21—more than 50% external anal sphincter(EAS) thickness torn (IIIb)O70.22
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