AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2018 Issue 3; Ask the Editor
Lupus Not Otherwise Specified
What is the correct ICD-10-CM code for lupus when the type is not specified in the documentation? Since “lupus NOS” defaulted to systemic lupus erythematosus (SLE) in ICD-9-CM, would code M32.9, Systemic lupus erythematosus, be assigned as a default, in ICD-10-CM? ...
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Article Overview
This article explains the ICD-10-CM approach to lupus documented as not otherwise specified or unspecified. It is aimed at coders, auditors, and clinical documentation teams who need to understand how the ICD-10 framework handles incomplete lupus documentation and why provider clarification may be necessary. The discussion also references the World Health Organization and the broader ICD-10 and ICD-11 context.
Why This Topic Matters
Accurate lupus coding depends on the documented clinical specificity. This article matters because it addresses a common transition issue from ICD-9-CM to ICD-10-CM and highlights the need for documentation clarification when the lupus type is not stated.
What You Will Learn
- How ICD-10-CM treats lupus documentation that lacks a specified type
- Why older ICD-9-CM assumptions may not apply in ICD-10-CM
- When provider clarification is relevant for lupus documentation
- How the topic relates to ICD-10 and ICD-11 policy context
Who Should Read This
- Medical coders
- Coding auditors
- Clinical documentation improvement teams
- Health information management professionals
- Billing staff
Codes Discussed
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