R91.8Billable
Other nonspecific abnormal finding of lung field
- Chapter
- 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
- Category
- R91
- Effective date
- October 1, 2026
Related codes in category R91
Frequently asked questions
What is ICD-10 code R91.8?
R91.8 is an ICD-10-CM diagnosis code for Other nonspecific abnormal finding of lung field.
Is R91.8 a billable code?
Yes. R91.8 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is R91.8 in?
R91.8 falls under Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
When did R91.8 become effective?
R91.8 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to R91.8?
R91.8 belongs to category R91, which includes 2 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.