2026
ICD-10-CM
Diagnosis
Code

K66 Other disorders of peritoneum

Non-billable
2016–2026

K66 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Other disorders of peritoneum.

Type 2 excludes

Ascites (R18.-)
Peritoneal effusion (chronic) (R18.8)

Codes

Versions

2026
No changes
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code