Documentation & Coding Risks
Avoid these common issues when documenting Cavitary Lung Lesion.
Frequently Asked Questions
The ICD-10 code for a cavitary lung lesion of unknown etiology is R91.8. If the lesion is confirmed as malignant, use C34.xx.
Code R91.8 for nonspecific findings. Use C34.xx for malignancy, J85.2 for abscess, or A15.x for tuberculosis, depending on confirmed etiology.
Related condition guides
Documentation requirements, coding pitfalls and FAQs for conditions coded with R91.8.