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Home/Diagnosis/ICD-10 Coding for Immunoglobulin A Nephropathy

ICD-10 Coding for Immunoglobulin A Nephropathy

N02.B1
N02.B5

Complete ICD-10-CM coding and documentation guide for icd-10 coding for immunoglobulin a nephropathy includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
IgA Nephropathy
Berger's Disease
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Key Information: ICD-10 Coding for Immunoglobulin A Nephropathy

Essential facts and insights about ICD-10 Coding for Immunoglobulin A Nephropathy

Use ICD-10 code N02.B1 for iga nephropathy with minimal change lesion, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

IgA nephropathy with minimal change lesion

Billable Code
N02.B1
Billable

Diagnostic Criteria

  • • Biopsy confirms minimal change lesion with IgA deposits.

Applicable To

  • • Minimal change disease with IgA deposits

Important Notes

  • • Ensure documentation includes biopsy results confirming IgA deposits.

Diffuse mesangial proliferative glomerulonephritis with IgA dominance

Billable Code
N02.B5
Billable

Diagnostic Criteria

  • • Biopsy confirms diffuse mesangial proliferative pattern with IgA dominance.

Applicable To

  • • Diffuse mesangial proliferative pattern with IgA deposits

Important Notes

  • • Documentation must include specific histologic findings.
Ancillary Codes

Additional codes that may be used with this diagnosis

N18.3

CKD stage 3

Use to specify CKD stage when present with IgA nephropathy.

R80.1

Proteinuria

Use if proteinuria is not captured in primary code.

Frequently Asked Questions

What is the ICD-10 code for IgA nephropathy?

The ICD-10 codes for IgA nephropathy are N02.B1 to N02.B6, which specify different histologic subtypes.

How is IgA nephropathy diagnosed?

IgA nephropathy is diagnosed through a kidney biopsy showing IgA deposits, often confirmed with immunofluorescence.

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