| L98 | Other disorders of skin and subcutaneous tissue, not elsewhere classified | NON-BILLABLE CODE |
| L98.1 | Factitial dermatitis | BILLABLE CODE |
| L98.2 | Febrile neutrophilic dermatosis [Sweet] | BILLABLE CODE |
| L98.3 | Eosinophilic cellulitis [Wells] | BILLABLE CODE |
| L98.4 | Non-pressure chronic ulcer of skin, not elsewhere classified | NON-BILLABLE CODE |
| L98.41 | Non-pressure chronic ulcer of buttock | NON-BILLABLE CODE |
| L98.411 | Non-pressure chronic ulcer of buttock limited to breakdown of skin | BILLABLE CODE |
| L98.412 | Non-pressure chronic ulcer of buttock with fat layer exposed | BILLABLE CODE |
| L98.413 | Non-pressure chronic ulcer of buttock with necrosis of muscle | BILLABLE CODE |
| L98.414 | Non-pressure chronic ulcer of buttock with necrosis of bone | BILLABLE CODE |
| L98.415 | Non-pressure chronic ulcer of buttock with muscle involvement without evidence of necrosis | BILLABLE CODE |
| L98.416 | Non-pressure chronic ulcer of buttock with bone involvement without evidence of necrosis | BILLABLE CODE |
| L98.418 | Non-pressure chronic ulcer of buttock with other specified severity | BILLABLE CODE |
| L98.419 | Non-pressure chronic ulcer of buttock with unspecified severity | BILLABLE CODE |
| L98.42 | Non-pressure chronic ulcer of back | NON-BILLABLE CODE |
| L98.421 | Non-pressure chronic ulcer of back limited to breakdown of skin | BILLABLE CODE |
| L98.422 | Non-pressure chronic ulcer of back with fat layer exposed | BILLABLE CODE |
| L98.423 | Non-pressure chronic ulcer of back with necrosis of muscle | BILLABLE CODE |
| L98.424 | Non-pressure chronic ulcer of back with necrosis of bone | BILLABLE CODE |
| L98.425 | Non-pressure chronic ulcer of back with muscle involvement without evidence of necrosis | BILLABLE CODE |
| L98.426 | Non-pressure chronic ulcer of back with bone involvement without evidence of necrosis | BILLABLE CODE |
| L98.428 | Non-pressure chronic ulcer of back with other specified severity | BILLABLE CODE |
| L98.429 | Non-pressure chronic ulcer of back with unspecified severity | BILLABLE CODE |
| L98.49 | Non-pressure chronic ulcer of skin of other sites | NON-BILLABLE CODE |
| L98.491 | Non-pressure chronic ulcer of skin of other sites limited to breakdown of skin | BILLABLE CODE |
| L98.492 | Non-pressure chronic ulcer of skin of other sites with fat layer exposed | BILLABLE CODE |
| L98.493 | Non-pressure chronic ulcer of skin of other sites with necrosis of muscle | BILLABLE CODE |
| L98.494 | Non-pressure chronic ulcer of skin of other sites with necrosis of bone | BILLABLE CODE |
| L98.495 | Non-pressure chronic ulcer of skin of other sites with muscle involvement without evidence of necrosis | BILLABLE CODE |
| L98.496 | Non-pressure chronic ulcer of skin of other sites with bone involvement without evidence of necrosis | BILLABLE CODE |
| L98.498 | Non-pressure chronic ulcer of skin of other sites with other specified severity | BILLABLE CODE |
| L98.499 | Non-pressure chronic ulcer of skin of other sites with unspecified severity | BILLABLE CODE |
| L98.5 | Mucinosis of the skin | BILLABLE CODE |
| L98.6 | Other infiltrative disorders of the skin and subcutaneous tissue | BILLABLE CODE |
| L98.7 | Excessive and redundant skin and subcutaneous tissue | BILLABLE CODE |
| L98.8 | Other specified disorders of the skin and subcutaneous tissue | BILLABLE CODE |
| L98.9 | Disorder of the skin and subcutaneous tissue, unspecified | BILLABLE CODE |
