Is K82 a billable ICD-10-CM code?

No. K82 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does K82 sit in the tabular list?

Diseases of the digestive system (K00-K95), in the block Disorders of gallbladder, biliary tract and pancreas (K80-K87).

What cannot be coded together with K82?

K82 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

K82

K82 — Other diseases of gallbladder

Non-billable headerICD-10-CM

K82 is a non-billable header ICD-10-CM code for other diseases of gallbladder. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

nonvisualization of gallbladder (R93.2)
postcholecystectomy syndrome (K91.5)

Other codes that can never be billed with K82

These codes carry an Excludes1 note pointing at K82. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading K82 alone.

K82.2Perforation of gallbladder

Risk adjustment

K82 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 K82

8 child codes. Green means billable.

Questions about K82

Is K82 a billable ICD-10-CM code?: No. K82 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does K82 sit in the tabular list?: Diseases of the digestive system (K00-K95), in the block Disorders of gallbladder, biliary tract and pancreas (K80-K87).
What cannot be coded together with K82?: K82 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.