N02.B – Recurrent and persistent immunoglobulin A nephropathy

ICD-10-CM 2027 diagnosis code · Glomerular diseases

Non-billable header

ICD-10-CM code N02.B
Code
N02.B (claims format: N02B)
Description
Recurrent and persistent immunoglobulin A nephropathy
Billable
No – use a more specific code below
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
14. Diseases of the genitourinary system (N00-N99)
Block
N00-N08 Glomerular diseases
Parent codes
N02

Billable codes under N02.B

N02.B is a header code and cannot be used on claims. Choose the most specific code:

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

N02 – Recurrent and persistent hematuria

Excludes1 (not coded here):
  • acute cystitis with hematuria (N30.01)
  • hematuria NOS (R31.9)
  • hematuria not associated with specified morphologic lesions (R31.-)

Block N00-N08

Excludes1 (not coded here):
  • hypertensive chronic kidney disease (I12.-)
Code also:
  • any associated kidney failure (N17-N19).

Index terms for N02.B

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in N02

Frequently asked questions

What is ICD-10 code N02.B?

N02.B is the ICD-10-CM code for recurrent and persistent immunoglobulin A nephropathy, in the block N00-N08 (Glomerular diseases).

Is N02.B a billable code?

No. N02.B is a header code with more specific child codes; report one of the billable codes listed above.

What category does N02.B belong to?

It belongs to category N02 – Recurrent and persistent hematuria.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.