Convert ICD-10-CM K27.9 to ICD-9-CM

ICD-10-CM K27.9 converts approximately to:
  • 2015 ICD-9-CM 533.90 Peptic ulcer of unspecified site, unspecified as acute or chronic, without mention of hemorrhage or perforation, without mention of obstruction

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: 2021 ICD-10-CM CMS General Equivalence Mappings.