Lung Nodule

Discover the ICD-10-CM codes for Lung Nodul. Learn about billable codes, clinical descriptions, synonyms, and more.

By Liliana Braun on Feb 29, 2024.

Fact Checked by Ericka Pingol.

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Lung Nodule

What ICD-10 Codes are Used for Lung Nodule?

A Lung Nodule is a small, roundish growth in the lung that can be benign or potentially cancerous. Accurate ICD-10-CM codes are crucial for medical billing and documentation. Below are the commonly used codes for Lung Nodule:

R91.1 - Solitary pulmonary nodule: This code is used when a single lung nodule is present. A solitary pulmonary nodule (SPN) is a term used in medical imaging to describe a single, well-defined, and rounded lesion or abnormality in the lung that appears as a discrete spot on a chest X-ray or other imaging studies. These nodules can vary in size and may be detected incidentally during routine medical examinations or imaging tests.

R91.8 - Other nonspecific abnormal finding of lung field: This code is used to classify cases where abnormal results are detected in the lung field on imaging studies or other diagnostic tests. However, the specific nature of the abnormality or the underlying cause has not been determined or specified. 

R91.9 - Nonspecific abnormal finding of lung field, unspecified: This code is used when there are abnormal findings detected in the lung field on imaging studies or other diagnostic tests, but the exact nature of the abnormality or the underlying cause has not been specified or determined.

Which Lung Nodule ICD codes are Billable?

The following ICD-10-CM codes for Lung Nodule are billable:

R91.1 - Yes, billable: Solitary pulmonary nodule can be billed when accurately coded.

R91.8 - Yes, billable: Other nonspecific abnormal finding of lung field, including nodules, is eligible for reimbursement.

R91.9 - Yes, billable: Unspecified nonspecific abnormal findings of lung field can be reimbursed when documented accurately.

Clinical Information

  • A lung nodule is a small, round, or oval-shaped lesion in the lung, often seen on imaging scans like X-rays or CT scans.
  • Nodules can be benign or malignant (cancerous), with various causes such as infections, scars, or lung cancer.
  • Most nodules are detected incidentally and may not cause noticeable symptoms.
  • Size, shape, and growth rate help determine the risk of malignancy.
  • Further evaluation is needed to characterize nodules, often through follow-up imaging or biopsy.
  • Management depends on nodule characteristics and patient risk factors.
  • Benign nodules might require monitoring, while suspicious or growing nodules may require biopsy or surgical removal.
  • Early detection and monitoring are crucial for identifying potential lung cancers at an early, treatable stage.
  • Smoking cessation and reducing exposure to environmental risks are essential preventive measures.
  • A healthcare professional should promptly evaluate any new or concerning lung nodules.

Synonyms Include

  • Pulmonary Nodule
  • Lung Lesion
  • Lung Spot
  • Lung Mass
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Commonly asked questions

Are all lung nodules cancerous?

No, the majority of lung nodules are non-cancerous. Many are benign growths or scars from previous infections. However, some nodules can be early signs of lung cancer.

How are lung nodules diagnosed?

Diagnosis involves imaging tests such as CT scans and, in some cases, PET scans, as well as potentially a biopsy to determine if the nodule is cancerous.

Is treatment required for all lung nodules?

Treatment depends on the nature of the nodule. Benign nodules may not require treatment.

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