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Diagnosis Code

R91.1 SOLITARY PULMONARY NODULE


Code Information

Diagnosis Code: R91.1

Short Description: Solitary pulmonary nodule

Long Description: Solitary pulmonary nodule

The code R91.1 is VALID for claim submission

Code Classification:

  • Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00–R99)
    • Abnormal findings on diagnostic imaging and in function studies, without diagnosis (R90-R94)
      • Abnormal findings on diagnostic imaging of lung (R91)
        • R91.1 Solitary pulmonary nodule

Code Version: 2022 ICD-10-CM


Synonyms

  • Coin lesion of lung
  • Infection of lung caused by Pneumocystis
  • Nodule of lung
  • Pneumocystosis
  • Pulmonary nodule caused by Pneumocystis
  • Pulmonary nodule following infection by Coccidioides
  • Solitary nodule of lung

Diagnostic Related Group(s)

The code R91.1 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Other Respiratory System Diagnoses With Mcc (205)
  • Other Respiratory System Diagnoses Without Mcc (206)

References to Index of Diseases and Injuries

The code R91.1 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Coin lesion lung
    • Solitary pulmonary nodule, subsegmental branch of the bronchial tree

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
R91.1 Right Arrow 793.11 Solitary pulmonry nodule

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
R91 Abnormal findings on diagnostic imaging of lung
R91.8 Other nonspecific abnormal finding of lung field

This page was last updated on: 10/1/2023

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