Is K35.20 a billable ICD-10-CM code?

No. K35.20 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does K35.20 sit in the tabular list?

Diseases of the digestive system (K00-K95), in the block Diseases of appendix (K35-K38).

K35.20

K35.20 — Acute appendicitis with generalized peritonitis, without abscess

Non-billable headerICD-10-CM

K35.20 is a non-billable header ICD-10-CM code for acute appendicitis with generalized peritonitis, without abscess. It cannot be billed on its own: choose one of the more specific child codes below.

Risk adjustment

K35.20 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead K35.20

3 child codes. Green means billable.

Related codes at this level

Codes that share K35.2. If K35.20 is not quite right, the correct code is usually one of these.

K35.21Acute appendicitis with generalized peritonitis, with abscess

Questions about K35.20

Is K35.20 a billable ICD-10-CM code?: No. K35.20 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does K35.20 sit in the tabular list?: Diseases of the digestive system (K00-K95), in the block Diseases of appendix (K35-K38).