Convert ICD-10 C23 to ICD-9

ICD-10 code C23, Malignant neoplasm of gallbladder, crosswalked to ICD-9 with the official CMS General Equivalence Mappings. Convert another code below.

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Official CMS General Equivalence Mappings Final GEMs release (FY 2018) Maps in both directions

2 candidate ICD-9 mappings for ICD-10 C23

From the official CMS General Equivalence Mappings. Review each mapping's flags before selecting the final code. Convert another code

ICD-10 code C23, "Malignant neoplasm of gallbladder", maps to ICD-9 code 156.0, "Malig neo gallbladder". This mapping carries no qualifying flags, so it is considered an exact equivalent. The GEMs list 2 candidate mappings for this code. The crosswalk comes from the official CMS General Equivalence Mappings.

ICD‑10 Code

C23

Malignant neoplasm of gallbladder

ICD‑9 Code

156.0

Malig neo gallbladder

– This is a direct match with no additional mapping qualifiers.

ICD‑10 Code

I82.C23

Chronic embolism and thombos of int jugular vein, bilateral

ICD‑9 Code

453.76

Ch embl internl jug vein

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 C23 code page → Or run the reverse crosswalk: convert 156.0 back to ICD-10 →