K82.0 — Obstruction of gallbladder
K82.0 is a billable, specific ICD-10-CM code for obstruction of gallbladder. It is valid for submission on a claim.
Excludes1 — never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
- obstruction of gallbladder with cholelithiasis (K80.-)
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Occlusion of cystic duct or gallbladder without cholelithiasis
- Stenosis of cystic duct or gallbladder without cholelithiasis
- Stricture of cystic duct or gallbladder without cholelithiasis
Excludes1 inherited from the categories above K82.0
These are not written on K82.0, but they bind it: a note on a category applies to every code beneath it. Billing K82.0 with anything listed here is a denial.
Risk adjustment
K82.0 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.
Medicare coverage
K82.0 is named in 3 Medicare coverage policies — 3 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A55336Billing and Coding: Retroperitoneal Ultrasound
- A56421Billing and Coding: CT of the Abdomen and Pelvis
- A57484Billing and Coding: Vitamin D Assay Testing
How K82.0 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to K82.0.
- Contraction, contracture, contracted›gallbladder
- Obstruction, obstructed, obstructive›gallbladder
- Contraction, contracture, contracted›hourglass›gallbladder
- Obstruction, obstructed, obstructive›biliary›gallbladder
- Atresia, atretic›cystic duct›acquired›with obstruction
Code history
K82.0 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.
Related codes at this level
Codes that share K82. If K82.0 is not quite right, the correct code is usually one of these.
Questions about K82.0
- Is K82.0 a billable ICD-10-CM code?
- Yes. K82.0 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does K82.0 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 K82.0?
- K82.0 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above K82.0 (K82) and apply to it just the same.