Rheumatology Coding Corner Questions: ICD-10 Coding Guidelines, Conventions Refresher Quiz Part 2

1. A patient returns for a follow-up visit of their chronic idiopathic gout without tophi with complaints of pain and tenderness. After a thorough examination, the rheumatologist treats the patient for an acute flare of the left knee. How is this coded?
   1. M1A.1620, M10.062
   2. M1A.1620
   3. M10.061
   4. M10.062
2. From ICD-10 coding guidelines, what are the steps to locate the code for juvenile rheumatoid arthritis with systemic onset of multiple sites?
   1. In the alpha section, start at rheumatoid arthritis. This directs you to systemic onset, which directs you to the tabular section for code M08.29.
   2. In the alpha section, start in the arthritis section. This directs you to juvenile. This directs you to with systemic onset—see Still’s disease. This directs you to Still’s disease or syndrome (juvenile) (M08.20). Then you need to go to the tabular section of M08.20 to find the code for juvenile rheumatoid arthritis with systemic onset, multiple sites (M08.29).
   3. Go to the alpha section and look for juvenile arthritis. This will lead you to juvenile rheumatoid arthritis with systemic onset, multiple sites (M08.29).
   4. None of the above is correct, because you do not have an ICD-10 manual!
3. The ICD-10 code for pain in multiple joints is coded M25.50.
   1. True
   2. False
4. When coding for obesity, what other additional code is needed if it is a known status in the patient’s chart?
   1. The co-morbid disease that is resulting from the obesity
   2. A status code indicating what caused the obesity
   3. The body mass index
   4. No other code needed
5. The documentation in a patient’s chart states the patient had pain in the left hand. How is this coded?
   1. M25.532
   2. M79.645
   3. M79.642
   4. Cannot code without clarification of documentation

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