Convert ICD-9-CM Diagnosis 644.20 to ICD-10-CM

ICD-9-CM 644.20 converts approximately to:
  • 2020 ICD-10-CM O60.10X0 Preterm labor with preterm delivery, unspecified trimester, not applicable or unspecified

Note: approximate conversions between ICD-9-CM codes and ICD-10-CM codes may require clinical interpretation in order to determine the most appropriate conversion code(s) for your specific coding situation.

Source: 2020 ICD-10-CM CMS General Equivalence Mappings.