ICD-9-CM Code 540.9 to ICD-10-CM
ICD-10 Equivalent of 540.9:
As of October 2015, ICD-9 codes are no longer used for medical coding. Instead, use the following two equivalent ICD-10-CM codes, which are an approximate match to ICD-9 code 540.9:
- ICD-10 Code K3580, Unspecified acute appendicitis (billable)
- ICD-10 Code K3589, Other acute appendicitis (billable)
Historical Information for ICD-9 Code 540.9
BILLABLE ICD-9 CODE
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.Long ICD9 Description: Acute appendicitis without mention of peritonitis
Short ICD9 Description: Acute appendicitis NOS
Parent Code: 540 - Acute appendicitis