K38.1 Appendicular concretions

Billable ICD-10-CM code, FY2026.

Applicable to

• Fecalith of appendix
• Stercolith of appendix

MS-DRG index

Defines the logic of DRG(s) 393-395 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 543.9 Other and unspecified diseases of appendix (approximate)

Diagnosis Index entries for K38.1

• Calculus, calculi, calculous › appendix
• Concretion › appendicular
• Fecalith (impaction) › appendix
• Stercolith (impaction) › appendix

Nearby codes

• K38 Other diseases of appendix
• K38.0 Hyperplasia of appendix
• K38.1 Appendicular concretions (this code)
• K38.2 Diverticulum of appendix
• K38.3 Fistula of appendix
• K38.8 Other specified diseases of appendix
• K38.9 Disease of appendix, unspecified