AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2023 Issue 4; New/Revised ICD-10-CM Codes
Immunoglobulin A Nephropathy
Category N02, Recurrent and persistent hematuria, has been expanded to create codes to identify immunoglobulin A Nephropathy (IgAN). The new codes are:• N02.B1, Recurrent and persistent immunoglobulin A nephropathy with glomerular lesion • N02.B2, Recurrent and persistent immunoglobulin A nephropathy with focal and segmental glomerular lesion • N02.B3, Recurrent and persistent immunoglobulin A nephropathy with diffuse membranoproliferative glomerulonephritis • N02.B4, Recurrent and persistent immunoglobulin A nephropathy with diffuse membranous glomerulonephritis • N02.B5, Recurrent and persistent immunoglobulin A nephropathy with diffuse mesangial proliferative glomerulonephritis • N02.B6, Recurrent and persistent immunoglobulin A nephropathy with diffuse...
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Article Overview
This article reviews newly added ICD-10-CM diagnosis codes related to immunoglobulin A nephropathy and explains the condition at a high level. It is relevant to coders, billing staff, and clinical documentation reviewers who need to understand the expanded diagnosis category and the general reason for the update.
Why This Topic Matters
The update affects how immunoglobulin A nephropathy is classified within the diagnosis code set, which can influence documentation review, claim accuracy, and disease tracking.
What You Will Learn
- How immunoglobulin A nephropathy is being represented in the diagnosis code set
- What general clinical context is provided for the condition
- Why the expanded category matters for distinguishing related kidney diagnoses
- Which broad documentation and coding stakeholders may be affected
Who Should Read This
- Medical coders
- Coding auditors
- Billing staff
- Clinical documentation specialists
- Healthcare providers
Codes Discussed
Code Ranges Discussed
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