R91.1
BillableSolitary pulmonary nodule
Solitary pulmonary nodule
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Coin lesion lung
- Solitary pulmonary nodule, subsegmental branch of the bronchial tree
Includes
Conditions included under this code
- nonspecific abnormal findings on diagnostic imaging by computerized axial tomography [CAT scan]
- nonspecific abnormal findings on diagnostic imaging by magnetic resonance imaging [MRI][NMR]
- nonspecific abnormal findings on diagnostic imaging by positron emission tomography [PET scan]
- nonspecific abnormal findings on diagnostic imaging by thermography
- nonspecific abnormal findings on diagnostic imaging by ultrasound [echogram]
- nonspecific abnormal findings on diagnostic imaging by X-ray examination
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- •abnormal findings on antenatal screening of motherO28
- diagnostic abnormal findings classified elsewhere - see Alphabetical Index
Excludes 2
Conditions not included here, but the patient may have both
- •abnormal findings on antenatal screening of motherO28
- •certain conditions originating in the perinatal periodP04-P96
- signs and symptoms classified in the body system chapters
- •signs and symptoms of breast,N63, N64.5
Related Codes(1)
Also Known As / Clinical Terms(91)
SNOMED CT
- Pneumocystosis88860002
- Coin lesion of lung308689002
- Solitary nodule of lung427359005
- Solitary pulmonary nodule427359005
- Coccidioidal nodule707772007
- Pulmonary nodule following infection by Coccidioides707772007
- Infection of lung caused by Pneumocystis721804002
- Pulmonary Pneumocystis infection721804002
- Nodule of lung786838002
- Pulmonary nodule786838002
- Pulmonary nodule caused by Pneumocystis1177000004
UMLS
- COIN LESION PULMC0009250
- COIN LESIONS PULMC0009250
- Coin Lesion, PulmonaryC0009250
- Coin Lesions, PulmonaryC0009250
- Coin lesion lungC0009250
- Coin lesion of lungC0009250
- Coin lesion of lung (finding)C0009250
- Lesion, Pulmonary CoinC0009250
- PULM COIN LESIONC0009250
- PULM COIN LESIONSC0009250
- Pulmonary Coin LesionC0009250
- Pulmonary Coin LesionsC0009250
- coin lesion of lungC0009250
- coin lung lesionC0009250
- pulmonary coin lesionsC0009250
- Coin LesionC2350019
- Lung Nodule, SolitaryC2350019
- NODULE SOLITARY PULMC2350019
- NODULES SOLITARY PULMC2350019
- Nodule, Solitary LungC2350019
- Nodule, Solitary PulmonaryC2350019
- Nodules, Solitary PulmonaryC2350019
- PULM NODULE SOLITARYC2350019
- PULM NODULES SOLITARYC2350019
- Pulmonary Nodule, SolitaryC2350019
- Pulmonary Nodules, SolitaryC2350019
- SOLITARY PULM NODULEC2350019
- SOLITARY PULM NODULESC2350019
- SPNC2350019
- Solitary Lung NoduleC2350019
- Solitary Lung NodulesC2350019
- Solitary Pulmonary NoduleC2350019
- Solitary Pulmonary NodulesC2350019
- Solitary nodule of lungC2350019
- Solitary nodule of lung (finding)C2350019
- Solitary pulmonary noduleC2350019
- solitary pulmonary noduleC2350019
- solitary pulmonary nodulesC2350019
- Solitary pulmonary nodule, subsegmental branch of the bronchial treeC3161219
Clinical Terms
- Solitary Lung Nodules
- Infection of lung caused by Pneumocystis
- pulmonary coin lesions
- Coin lesion lung
- Pneumocystosis
- PULM NODULE SOLITARY
- Pulmonary nodule caused by Pneumocystis
- SOLITARY PULM NODULE
- COIN LESIONS PULM
- Solitary nodule of lung
- Nodule, Solitary Lung
- Coin lesion of lung
- Solitary Pulmonary Nodules
- Pulmonary Pneumocystis infection
- COIN LESION PULM
- PULM NODULES SOLITARY
- SOLITARY PULM NODULES
- PULM COIN LESIONS
- Nodule of lung
- Lesion, Pulmonary Coin
- Coccidioidal nodule
- Lung Nodule, Solitary
- PULM COIN LESION
- Solitary Lung Nodule
- Solitary pulmonary nodule, subsegmental branch of the bronchial tree
- Pulmonary nodule following infection by Coccidioides
- Pulmonary Coin Lesion
- SPN
- Coin lesion of lung (finding)
- Solitary nodule of lung (finding)
- coin lung lesion
- Pulmonary Nodule, Solitary
- Coin Lesion
- Pulmonary Nodules, Solitary
- Nodule, Solitary Pulmonary
- Nodules, Solitary Pulmonary
- NODULES SOLITARY PULM
- Coin Lesion, Pulmonary
- NODULE SOLITARY PULM
- Pulmonary nodule
- Coin Lesions, Pulmonary
Frequently Asked Questions
What is the ICD-10 code for solitary pulmonary nodule?
The ICD-10-CM code for solitary pulmonary nodule is R91.1. The full clinical description is "Solitary pulmonary nodule". R91.1 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code R91.1 mean?
ICD-10-CM code R91.1 represents “Solitary pulmonary nodule”. It is classified under Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings and is a billable/specific code that can be used on a claim.
Is R91.1 a billable code?
Yes, R91.1 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is R91.1 in?
R91.1 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).
What codes cannot be used with R91.1?
R91.1 has Excludes1 notes indicating codes that cannot be used together with it, including: abnormal findings on antenatal screening of mother (O28.-); diagnostic abnormal findings classified elsewhere - see Alphabetical Index.
What SNOMED CT codes does R91.1 map to?
R91.1 maps to 7 SNOMED CT concepts: 707772007, 308689002, 721804002, 786838002, 88860002, and 2 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for R91.1?
R91.1 is linked to 3 UMLS Concept Unique Identifiers: C0009250, C2350019, C3161219. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does R91.1 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like solitary pulmonary nodule affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of R91.1?
There is no direct ICD-11 mapping available for R91.1 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.