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ICD-10-CM 2027

ICD-10 code for Klebs' disease

N05

Unspecified nephritic syndrome

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Disease, diseased › Klebs'”. Page updated September 29, 2026.

About coding Klebs' disease

The ICD-10-CM code for Klebs' disease is N05 (Unspecified nephritic syndrome).

To report this condition, pick the subcode that matches the documentation: N05.0 (with minor glomerular abnormality), N05.1 (with focal and segmental glomerular lesions), N05.2 (with diffuse membranous glomerulonephritis), N05.3 (with diffuse mesangial proliferative glomerulonephritis), N05.4 (with diffuse endocapillary proliferative glomerulonephritis), N05.5 (with diffuse mesangiocapillary glomerulonephritis), N05.6 (with dense deposit disease), N05.7 (with diffuse crescentic glomerulonephritis) and 3 more.

Don't report N05 together with the conditions in its Excludes1 note: nephropathy NOS with no stated morphological lesion (N28.9), renal disease NOS with no stated morphological lesion (N28.9) and tubulo-interstitial nephritis NOS (N12).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Don't confuse with (Excludes1 for N05)

  • nephropathy NOS with no stated morphological lesion (N28.9)
  • renal disease NOS with no stated morphological lesion (N28.9)
  • tubulo-interstitial nephritis NOS (N12)

Common questions about Klebs' disease ICD-10 codes

What is the ICD-10 code for Klebs' disease?

N05 — Unspecified nephritic syndrome (a header code; report a more specific subcode).

Is N05 billable?

No. N05 is a header code. Report one of its more specific subcodes instead.