K38.9

ICD-10Billable

Disease of appendix, unspecified

Official ICD-10-CM descriptor (FY2026)

Disease of appendix, unspecified

K38.9 is valid for submission on a claim — CMS flags it as a billable, specific code.

Related codes in K38

Where this code sits

Parent code
K38

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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