R91.8
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BillableOther nonspecific abnormal finding of lung field
R91.8 is the ICD-10-CM code for Other nonspecific abnormal finding of lung field. It is a billable, specific code valid for reimbursement.
R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
Includes
- •Lung mass NOS found on diagnostic imaging of lung
- •Pulmonary infiltrate NOS
- •Shadow, lung
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
- What is ICD-10 code R91.8?
- R91.8 is the ICD-10-CM code for "Other nonspecific abnormal finding of lung field". It falls under R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
- Is R91.8 a billable code?
- Yes — R91.8 is a billable, specific ICD-10-CM code valid for reimbursement.
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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