ICD-10-CM N91.4 → ICD-9
Secondary oligomenorrhea
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify against current official sources before use in billing.
- 6261Approximate match
Secondary oligomenorrhea
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify against current official sources before use in billing.