35 candidate ICD-10 mappings for ICD-9 050.0
From the official CMS General Equivalence Mappings. Review each mapping's flags before selecting the final code.
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ICD-9 code 050.0, "Variola major", maps to ICD-10 code B03, "Smallpox". The mapping is flagged approximate: it is the closest available equivalent, not an exact match, so review the clinical documentation when selecting the final code. The GEMs list 35 candidate mappings for this code, because ICD-10 splits it into more specific diagnoses; the documentation decides which one applies. The crosswalk comes from the official CMS General Equivalence Mappings.
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Coal workers' pneumocon
ICD‑10 Code
Coalworker's pneumoconiosis
– This is a direct match with no additional mapping qualifiers.
ICD‑9 Code
Light-for-dates <500g
ICD‑10 Code
Newborn light for gestational age, less than 500 grams
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Light-for-dates <500g
ICD‑10 Code
Newborn small for gestational age, less than 500 grams
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Lt-for-dates 500-749g
ICD‑10 Code
Newborn light for gestational age, 500-749 grams
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Lt-for-dates 500-749g
ICD‑10 Code
Newborn small for gestational age, 500-749 grams
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Lt-for-dates 1500-1749g
ICD‑10 Code
Newborn light for gestational age, 1500-1749 grams
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Lt-for-dates 1500-1749g
ICD‑10 Code
Newborn small for gestational age, 1500-1749 grams
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Lt-for-dates 2500+g
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Lt-for-date w/mal <500g
ICD‑10 Code
Newborn light for gestational age, less than 500 grams
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Lt-for-date w/mal <500g
ICD‑10 Code
Newborn small for gestational age, less than 500 grams
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Lt-date w/mal 500-749g
ICD‑10 Code
Newborn light for gestational age, 500-749 grams
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Lt-date w/mal 500-749g
ICD‑10 Code
Newborn small for gestational age, 500-749 grams
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Lt-date w/mal 1500-1749g
ICD‑10 Code
Newborn light for gestational age, 1500-1749 grams
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Lt-date w/mal 1500-1749g
ICD‑10 Code
Newborn small for gestational age, 1500-1749 grams
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Lt-for-date w/mal 2500+g
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Fetal malnutrition <500g
ICD‑10 Code
NB aff by fetal malnut not light or small for gestatnl age
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Fetal malnutr 500-749g
ICD‑10 Code
NB aff by fetal malnut not light or small for gestatnl age
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Fetal mal 1500-1749g
ICD‑10 Code
NB aff by fetal malnut not light or small for gestatnl age
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Fetal malnutr 2500+g
ICD‑10 Code
NB aff by fetal malnut not light or small for gestatnl age
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Fet growth retard <500g
ICD‑10 Code
Newborn affected by slow intrauterine growth, unspecified
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Fet growth ret 500-749g
ICD‑10 Code
Newborn affected by slow intrauterine growth, unspecified
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Fet grwth ret 1500-1749g
ICD‑10 Code
Newborn affected by slow intrauterine growth, unspecified
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Fet growth ret 2500+g
ICD‑10 Code
Newborn affected by slow intrauterine growth, unspecified
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Extreme immatur <500g
ICD‑10 Code
Extremely low birth weight newborn, less than 500 grams
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Extreme immatur 500-749g
ICD‑10 Code
Extremely low birth weight newborn, 500-749 grams
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Extreme immat 1500-1749g
ICD‑10 Code
Other low birth weight newborn, 1500-1749 grams
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Extreme immat 2500+g
ICD‑10 Code
Preterm newborn, unspecified weeks of gestation
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Preterm NEC <500g
ICD‑10 Code
Extremely low birth weight newborn, less than 500 grams
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Preterm NEC 500-749g
ICD‑10 Code
Extremely low birth weight newborn, 500-749 grams
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Preterm NEC 1500-1749g
ICD‑10 Code
Other low birth weight newborn, 1500-1749 grams
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Preterm NEC 2500+g
ICD‑10 Code
Preterm newborn, unspecified weeks of gestation
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Low birthwt status <500g
ICD‑10 Code
Extremely low birth weight newborn, less than 500 grams
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Low birthwt 500-999g
ICD‑10 Code
Extremely low birth weight newborn, 500-749 grams
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
ICD‑9 Code
Low birthwt 500-999g
ICD‑10 Code
Extremely low birth weight newborn, 750-999 grams
Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.
See everything about the source code, including its category, synonyms, and history: open the 050.0 code page → Or run the reverse crosswalk: convert B03 back to ICD-9 →
