K35-K38 — Diseases of appendix
ICD-10-CM codes K35-K38 cover diseases of appendix, within diseases of the digestive system. The block holds 29 codes across 4 categories, of which 21 are billable and 8 are header codes that cannot be submitted on a claim.
What else to watch in K35-K38
- 21 codes are named in Medicare coverage policies. An LCD or NCD lists them as supporting medical necessity, or explicitly as not supporting it. Which applies depends on the MAC for your state.