Isolated proteinuria with specified morphological lesion (N06)
The ICD-10 code section N06 covers various types of isolated proteinuria linked to specific kidney morphological lesions. These codes identify proteinuria occurring without other symptoms, each associated with different underlying glomerular abnormalities.
These codes are used to classify cases where proteinuria; a condition characterized by excess protein in the urine; is present alongside distinct kidney tissue changes. For example, codes N06.0 and N06.1 correspond to minor glomerular abnormalities and focal segmental glomerular lesions. Codes like N06.21 (also known as idiopathic glomerulonephritis or idiopathic membranous glomerulonephritis) specify primary membranous nephropathy with isolated proteinuria. Other codes cover conditions such as dense deposit disease (N06.6), crescentic glomerulonephritis (N06.7), and C3 glomerulonephritis (N06.A). The N06.9 code refers to isolated proteinuria with unspecified morphologic lesions, often termed isolated non-nephrotic proteinuria. These distinctions allow precise coding for accurate diagnosis and treatment planning related to nephritis, nephrosis, and renal sclerosis conditions presenting with isolated proteinuria.
Diseases of the genitourinary system (N00–N99)
Glomerular diseases (N00-N08)
N06 Isolated proteinuria with specified morphological lesion
- N06.0 Isolated proteinuria with minor glomerular abnormality
- N06.1 Isolated proteinuria with focal and segmental glomerular lesions
N06.2 Isolated proteinuria with diffuse membranous glomerulonephritis
- N06.20 Isolated proteinuria with diffuse membranous glomerulonephritis, unspecified
- N06.21 Primary membranous nephropathy with isolated proteinuria
- N06.22 Secondary membranous nephropathy with isolated proteinuria
- N06.29 Other isolated proteinuria with diffuse membranous glomerulonephritis
- N06.3 Isolated proteinuria with diffuse mesangial proliferative glomerulonephritis
- N06.4 Isolated proteinuria with diffuse endocapillary proliferative glomerulonephritis
- N06.5 Isolated proteinuria with diffuse mesangiocapillary glomerulonephritis
- N06.6 Isolated proteinuria with dense deposit disease
- N06.7 Isolated proteinuria with diffuse crescentic glomerulonephritis
- N06.8 Isolated proteinuria with other morphologic lesion
- N06.9 Isolated proteinuria with unspecified morphologic lesion
- N06.A Isolated proteinuria with C3 glomerulonephritis
Isolated proteinuria with specified morphological lesion (N06)
Instructional Notations
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
- Proteinuria not associated with specific morphologic lesions R80.0
