Convert ICD-10 N10 to ICD-9

ICD-10 code N10, Acute pyelonephritis, 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 N10

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

ICD-10 code N10, "Acute pyelonephritis", maps to ICD-9 code 590.10, "Ac pyelonephritis NOS". 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 2 candidate mappings for this code. The crosswalk comes from the official CMS General Equivalence Mappings.

ICD‑10 Code

N10

Acute pyelonephritis

ICD‑9 Code

590.10

Ac pyelonephritis NOS

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‑10 Code

N10

Acute pyelonephritis

ICD‑9 Code

590.11

Ac pyelonephr w med necr

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 N10 code page → Or run the reverse crosswalk: convert 590.10 back to ICD-10 →