N03.1

N03.1: Chronic nephritic syndrome with focal and segmental glomerular lesions

Billable / specific codeICD-10-CM

N03.1 is a billable, specific ICD-10-CM code for chronic nephritic syndrome with focal and segmental glomerular lesions. It is valid for submission on a claim.

Check N03.1 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Chronic nephritic syndrome with focal and segmental hyalinosis
Chronic nephritic syndrome with focal and segmental sclerosis
Chronic nephritic syndrome with focal glomerulonephritis

Excludes1 inherited from the categories above N03.1

A category’s note binds every code beneath it.

Written on N03: Chronic nephritic syndrome

chronic tubulo-interstitial nephritis (N11.-)
diffuse sclerosing glomerulonephritis (N05.8-)
nephritic syndrome NOS (N05.-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

N03.1 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A55336Billing and Coding: Retroperitoneal Ultrasound
A56380Billing and Coding: Rituximab
A57189Billing and Coding: Serum Magnesium

Alphabetic index entries that lead here

Nephritis, nephritic›chronic›with›focal and segmental glomerular lesions

Code history

Unchanged in every release from FY2024 to FY2027.