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Home/Diagnosis/ICD-10 Coding for Cavitary Lung Lesion

ICD-10 Coding for Cavitary Lung Lesion

R91.8
C34.11

Complete ICD-10-CM coding and documentation guide for icd-10 coding for cavitary lung lesion includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Pulmonary Cavity
Lung Cavity
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Key Information: ICD-10 Coding for Cavitary Lung Lesion

Essential facts and insights about ICD-10 Coding for Cavitary Lung Lesion

Use ICD-10 code R91.8 for other nonspecific abnormal finding of lung field, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Other nonspecific abnormal finding of lung field

Billable Code
R91.8
Billable

Diagnostic Criteria

clinical:
  • • Imaging shows cavitary lesion without confirmed cause.
coding:
  • • No specific infectious or malignant cause identified.

Applicable To

  • • Cavitary lung lesion of unknown etiology

Important Notes

  • • Ensure documentation specifies lack of confirmed etiology to justify use of R91.8.

Malignant neoplasm of upper lobe, right bronchus or lung

Billable Code
C34.11
Billable

Applicable To

  • • Cavitary lesion confirmed as malignant

Important Notes

  • • Ensure biopsy results are documented to support malignancy coding.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z87.891

Personal history of nicotine dependence

Use to indicate history of smoking when relevant.

Frequently Asked Questions

What is the ICD-10 code for a cavitary lung lesion?

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.

How do you code a cavitary lung lesion?

Code R91.8 for nonspecific findings. Use C34.xx for malignancy, J85.2 for abscess, or A15.x for tuberculosis, depending on confirmed etiology.

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