R91 is the ICD-10 code for Abnormal findings on diagnostic imaging of lung. It is a three-character category that is not subdivided further. It belongs to the block R90–R94 (Abnormal findings on diagnostic imaging and in function studies, without diagnosis) in Chapter XVIII, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
- Code type
- Category (3 characters)
- Chapter
- XVIII · R00–R99
- Classification
- WHO ICD-10, 2019 version
What R91 includes
Conditions and terms that are coded here.
- Coin lesion NOS
- Lung mass NOS
R91 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
R91Onormala fynd vid radiologisk diagnostik avseende lunga
- R91.9Onormala fynd vid radiologisk diagnostik avseende lunga
R91Unormalt funn ved diagnostisk avbildning av lunge
DR91Abnorme fund ved billeddiagnostisk undersøgelse af lungerne
- DR911Billeddiagnostisk fund af lungenodulus
- DR919Abnormt fund ved billeddiagnostisk undersøgelse af lunger
R91Keuhkon poikkeava kuvantamislöydös
R91Abnorme Befunde bei der bildgebenden Diagnostik der Lunge
R91Résultats anormaux d'imagerie diagnostique du poumon
R91afwijkende bevindingen bij diagnostische beeldvorming van long
Listed through more specific codes:
- R91.1Solitary pulmonary nodule
- R91.8Other nonspecific abnormal finding of lung field
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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