ICD-11 to ICD-10 Code Converter
Convert ICD-11 diagnosis codes to their ICD-10-CM equivalents using the WHO crosswalk mapping. Enter an ICD-11 code to find corresponding ICD-10 codes with mapping type indicators.
Browse by ICD-11 Chapter
Explore ICD-11 to ICD-10 crosswalk mappings organized by clinical category.
Ch. 1Certain Infectious or Parasitic Diseases1A00-1H0Z546 codesCh. 2Neoplasms2A00-2F9Z346 codesCh. 3Diseases of the Blood or Blood-Forming Organs3A00-3C9Z80 codesCh. 4Diseases of the Immune System4A00-4B4Z76 codesCh. 5Endocrine, Nutritional or Metabolic Diseases5A00-5D46219 codesCh. 6Mental, Behavioural or Neurodevelopmental Disorders6A00-6E8Z188 codesCh. 7Sleep-Wake Disorders7A00-7B2Z12 codesCh. 8Diseases of the Nervous System8A00-8E7Z239 codesCh. 9Diseases of the Visual System9A00-9E1Z167 codesCh. 10Diseases of the Ear or Mastoid ProcessAA00-AC0Z78 codesCh. 11Diseases of the Circulatory SystemBA00-BE2Z185 codesCh. 12Diseases of the Respiratory SystemCA00-CB7Z190 codesCh. 13Diseases of the Digestive SystemDA00-DE2Z300 codesCh. 14Diseases of the SkinEA00-EM0Z228 codesCh. 15Diseases of the Musculoskeletal System or Connective TissueFA00-FC0Z238 codesCh. 16Diseases of the Genitourinary SystemGA00-GC8Z231 codesCh. 17Conditions Related to Sexual HealthHA00-HA8Z10 codesCh. 18Pregnancy, Childbirth or the PuerperiumJA00-JB6Z377 codesCh. 19Certain Conditions Originating in the Perinatal PeriodKA00-KD5Z256 codesCh. 20Developmental AnomaliesLA00-LD9Z424 codesCh. 21Symptoms, Signs or Clinical Findings, Not Elsewhere ClassifiedMA00-MH2Z373 codesCh. 22Injury, Poisoning or Certain Other Consequences of External CausesNA00-NF2Z667 codesCh. 23External Causes of Morbidity or MortalityPA00-PL2Z745 codesCh. 24Factors Influencing Health Status or Contact With Health ServicesQA00-QF4Z468 codesCh. 25Codes for Special PurposesRA00-RA2Z6 codesCh. 28Extension CodesXA0000-XY9644 codes
Popular ICD-11 to ICD-10 Mappings
About ICD-11 to ICD-10 Mapping
The WHO provides official crosswalk mappings between ICD-11 and ICD-10. These mappings are essential for organizations maintaining dual coding systems or transitioning between classification versions.
Mapping Types
- equivalentThe ICD-11 and ICD-10 codes have the same clinical meaning
- narrowerThe ICD-10 code is more specific than the ICD-11 code
- broaderThe ICD-10 code is less specific than the ICD-11 code
- approximateThe codes are related but do not have an exact correspondence
Need to convert the other direction? ICD-10 to ICD-11 Converter