N05.1

Unspecified nephritic syndrome with focal and segmental glomerular lesions

Billable / specific

N05.1 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Applicable to

  • Unspecified nephritic syndrome with focal and segmental hyalinosis
  • Unspecified nephritic syndrome with focal and segmental sclerosis
  • Unspecified nephritic syndrome with focal glomerulonephritis

Includes (from N05)

  • glomerular disease NOS
  • glomerulonephritis NOS
  • nephritis NOS
  • nephropathy NOS and renal disease NOS with morphological lesion specified in .0-.8

Excludes1

Not coded here — never report together with this code.

  • hypertensive chronic kidney disease (I12.-) (from N05)
  • nephropathy NOS with no stated morphological lesion (N28.9) (from N05)
  • renal disease NOS with no stated morphological lesion (N28.9) (from N05)
  • tubulo-interstitial nephritis NOS (N12) (from N05)

Excludes2

Not included here — may be reported together when both conditions exist.

  • certain conditions originating in the perinatal period (P04-P96) (from N05)
  • certain infectious and parasitic diseases (A00-B99) (from N05)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from N05)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) (from N05)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from N05)
  • injury, poisoning and certain other consequences of external causes (S00-T88) (from N05)
  • neoplasms (C00-D49) (from N05)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from N05)

Code also

An additional code may be needed.

  • any associated kidney failure (N17-N19). (from N05)

Also known as

  • Unspecified nephritic syndrome with focal and segmental hyalinosis
  • Unspecified nephritic syndrome with focal and segmental sclerosis
  • Unspecified nephritic syndrome with focal glomerulonephritis
  • Glomerulonephritis, focal
  • Hyalinosis, focal and segmental
  • Lesion, glomerular, focal and segmental
  • Nephritis, nephritic, with focal and segmental glomerular lesions
  • Sclerosis, sclerotic, focal and segmental

Parent code

  • N05Unspecified nephritic syndromeHeader

Related codes

  • N05.0Unspecified nephritic syndrome with minor glomerular abnormalityBillable
  • N05.2Unspecified nephritic syndrome with diffuse membranous glomerulonephritisBillable
  • N05.3Unspecified nephritic syndrome with diffuse mesangial proliferative glomerulonephritisBillable
  • N05.4Unspecified nephritic syndrome with diffuse endocapillary proliferative glomerulonephritisBillable
  • N05.5Unspecified nephritic syndrome with diffuse mesangiocapillary glomerulonephritisBillable
  • N05.6Unspecified nephritic syndrome with dense deposit diseaseBillable
  • N05.7Unspecified nephritic syndrome with diffuse crescentic glomerulonephritisBillable
  • N05.8Unspecified nephritic syndrome with other morphologic changesBillable
  • N05.9Unspecified nephritic syndrome with unspecified morphologic changesBillable
  • N05.AUnspecified nephritic syndrome with C3 glomerulonephritisBillable

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