N03.9

Chronic nephritic syndrome with unspecified morphologic changes

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

Inherited from N03Chronic nephritic syndrome
Includes

chronic glomerular disease chronic glomerulonephritis chronic nephritis

Excludes 1

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

Inherited from N00-N08Glomerular diseases
Excludes 1

hypertensive chronic kidney disease (I12.-)

Code also

any associated kidney failure (N17-N19).

Inherited from chapter 14Diseases of the genitourinary system
Excludes 2

certain conditions originating in the perinatal period (P04-P96) certain infectious and parasitic diseases (A00-B99) complications of pregnancy, childbirth and the puerperium (O00-O9A) congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) injury, poisoning and certain other consequences of external causes (S00-T88) neoplasms (C00-D49) symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Official Guidelines for N03.9

FY 2026 ›
I.C.14Chapter-specific guidanceChapter 14: Diseases of Genitourinary System (N00-N99)

Subsections

Find N03.9 in the alphabetic index

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