N00-N08 — Glomerular diseases
ICD-10-CM codes N00-N08 cover glomerular diseases, within diseases of the genitourinary system. The block holds 120 codes across 9 categories, of which 107 are billable and 13 are header codes that cannot be submitted on a claim.
Excludes1 — never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
- hypertensive chronic kidney disease (I12.-)
Code also
Both codes may be needed to describe the encounter fully. Sequencing depends on the reason for the visit.
What else to watch in N00-N08
- 102 codes are named in Medicare coverage policies. An LCD or NCD lists them as supporting medical necessity, or explicitly as not supporting it. Which applies depends on the MAC for your state.
Categories in N00-N08
- N00Acute nephritic syndrome
- N01Rapidly progressive nephritic syndrome
- N02Recurrent and persistent hematuria
- N03Chronic nephritic syndrome
- N04Nephrotic syndrome
- N05Unspecified nephritic syndrome
- N06Isolated proteinuria with specified morphological lesion
- N07Hereditary nephropathy, not elsewhere classified
- N08Glomerular disorders in diseases classified elsewhere