N06.6 – Isolated proteinuria with dense deposit disease

ICD-10-CM 2027 diagnosis code · Glomerular diseases

Billable code

ICD-10-CM code N06.6
Code
N06.6 (claims format: N066)
Description
Isolated proteinuria with dense deposit disease
Billable
Yes – valid for HIPAA-covered transactions
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
N06

Notes for N06.6

Applicable to:
  • Isolated proteinuria with C3 glomerulopathy with dense deposit disease
  • Isolated proteinuria with membranoproliferative glomerulonephritis, type 2

Notes inherited from parent codes

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

N06 – Isolated proteinuria with specified morphological lesion

Excludes1 (not coded here):
  • Proteinuria not associated with specific morphologic lesions (R80.0)

Block N00-N08

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

Index terms for N06.6

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

Related codes in N06

Frequently asked questions

What is ICD-10 code N06.6?

N06.6 is the ICD-10-CM code for isolated proteinuria with dense deposit disease, in the block N00-N08 (Glomerular diseases).

Is N06.6 a billable code?

Yes. N06.6 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does N06.6 belong to?

It belongs to category N06 – Isolated proteinuria with specified morphological lesion.

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.