ICD-9 66421 → ICD-10-CM
Official CMS General Equivalence Mapping (GEM) equivalents for the retired ICD-9-CM code 66421.
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify against current official sources before use in billing.
- O70.20Third degree perineal laceration during delivery, unspecifiedApproximate match
- O70.21Third degree perineal laceration during delivery, IIIaApproximate match
- O70.22Third degree perineal laceration during delivery, IIIbApproximate match
- O70.23Third degree perineal laceration during delivery, IIIcApproximate match