| M9955 | Intervertebral disc stenosis of neural canal of pelvic region |
| M9956 | Intervertebral disc stenosis of neural canal of lower extremity |
| M9957 | Intervertebral disc stenosis of neural canal of upper extremity |
| M9958 | Intervertebral disc stenosis of neural canal of rib cage |
| M9959 | Intervertebral disc stenosis of neural canal of abdomen and other regions |
| M996 | Osseous and subluxation stenosis of intervertebral foramina |
| M9960 | Osseous and sublux stenosis of intvrt foramin of head region Osseous and subluxation stenosis of intervertebral foramina of head region |
| M9961 | Osseous and sublux stenosis of intvrt foramin of cerv region Osseous and subluxation stenosis of intervertebral foramina of cervical region |
| M9962 | Osseous and subluxation stenosis of intervertebral foramina of thoracic region |
| M9963 | Osseous and sublux stenos of intvrt foramin of lumbar region Osseous and subluxation stenosis of intervertebral foramina of lumbar region |
| M9964 | Osseous and sublux stenos of intvrt foramin of sacral region Osseous and subluxation stenosis of intervertebral foramina of sacral region |
| M9965 | Osseous and sublux stenos of intvrt foramin of pelvic region Osseous and subluxation stenosis of intervertebral foramina of pelvic region |
| M9966 | Osseous and subluxation stenosis of intervertebral foramina of lower extremity |
| M9967 | Osseous and subluxation stenosis of intervertebral foramina of upper extremity |
| M9968 | Osseous and subluxation stenosis of intervertebral foramina of rib cage |
| M9969 | Osseous & sublux stenos of intvrt foramin of abd and oth rgn Osseous and subluxation stenosis of intervertebral foramina of abdomen and other regions |
| M997 | Connective tiss and disc stenosis of intervertebral foramina Connective tissue and disc stenosis of intervertebral foramina |
| M9970 | Conn tiss and disc stenosis of intvrt foramin of head region Connective tissue and disc stenosis of intervertebral foramina of head region |
| M9971 | Conn tiss and disc stenosis of intvrt foramin of cerv region Connective tissue and disc stenosis of intervertebral foramina of cervical region |
| M9972 | Connective tissue and disc stenosis of intervertebral foramina of thoracic region |
| M9973 | Conn tiss and disc stenos of intvrt foramin of lumbar region Connective tissue and disc stenosis of intervertebral foramina of lumbar region |
| M9974 | Conn tiss and disc stenos of intvrt foramin of sacral region Connective tissue and disc stenosis of intervertebral foramina of sacral region |
| M9975 | Conn tiss and disc stenos of intvrt foramin of pelvic region Connective tissue and disc stenosis of intervertebral foramina of pelvic region |
| M9976 | Connective tissue and disc stenosis of intervertebral foramina of lower extremity |
| M9977 | Connective tissue and disc stenosis of intervertebral foramina of upper extremity |
| M9978 | Connective tissue and disc stenosis of intervertebral foramina of rib cage |
| M9979 | Conn tiss & disc stenos of intvrt foramin of abd and oth rgn Connective tissue and disc stenosis of intervertebral foramina of abdomen and other regions |
| M998 | Other biomechanical lesions |
| M9980 | Other biomechanical lesions of head region |
| M9981 | Other biomechanical lesions of cervical region |
| M9982 | Other biomechanical lesions of thoracic region |
| M9983 | Other biomechanical lesions of lumbar region |
| M9984 | Other biomechanical lesions of sacral region |
| M9985 | Other biomechanical lesions of pelvic region |
| M9986 | Other biomechanical lesions of lower extremity |
| M9987 | Other biomechanical lesions of upper extremity |
| M9988 | Other biomechanical lesions of rib cage |
| M9989 | Other biomechanical lesions of abdomen and other regions |
| M999 | Biomechanical lesion, unspecified |
| N00 | Acute nephritic syndrome |
| N000 | Acute nephritic syndrome with minor glomerular abnormality |
| N001 | Acute neph syndrome w focal and segmental glomerular lesions Acute nephritic syndrome with focal and segmental glomerular lesions |
| N002 | Acute nephritic syndrome with diffuse membranous glomerulonephritis |
| N003 | Acute nephritic syndrome with diffuse mesangial proliferative glomerulonephritis |
| N004 | Acute nephritic syndrome with diffuse endocapillary proliferative glomerulonephritis |
| N005 | Acute nephritic syndrome with diffuse mesangiocapillary glomerulonephritis |
| N006 | Acute nephritic syndrome with dense deposit disease |
| N007 | Acute nephritic syndrome with diffuse crescentic glomerulonephritis |
| N008 | Acute nephritic syndrome with other morphologic changes |
| N009 | Acute nephritic syndrome with unspecified morphologic changes |