ICD-10-CM · Chapter 12 · L00-L99
L98 Other disorders of skin and subcutaneous tissue, not elsewhere classified
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| L98..0 | Pyogenic granuloma | Yes |
| L98..1 | Factitial dermatitis | Yes |
| L98..2 | Febrile neutrophilic dermatosis [Sweet] | Yes |
| L98..3 | Eosinophilic cellulitis [Wells] | Yes |
| L98..4 | Non-pressure chronic ulcer of skin, not elsewhere classified | No |
| L98..41 | Non-pressure chronic ulcer of buttock | No |
| L98..411 | Non-pressure chronic ulcer of buttock limited to breakdown of skin | Yes |
| L98..412 | Non-pressure chronic ulcer of buttock with fat layer exposed | Yes |
| L98..413 | Non-pressure chronic ulcer of buttock with necrosis of muscle | Yes |
| L98..414 | Non-pressure chronic ulcer of buttock with necrosis of bone | Yes |
| L98..415 | Non-pressure chronic ulcer of buttock with muscle involvement without evidence of necrosis | Yes |
| L98..416 | Non-pressure chronic ulcer of buttock with bone involvement without evidence of necrosis | Yes |
| L98..418 | Non-pressure chronic ulcer of buttock with other specified severity | Yes |
| L98..419 | Non-pressure chronic ulcer of buttock with unspecified severity | Yes |
| L98..42 | Non-pressure chronic ulcer of back | No |
| L98..421 | Non-pressure chronic ulcer of back limited to breakdown of skin | Yes |
| L98..422 | Non-pressure chronic ulcer of back with fat layer exposed | Yes |
| L98..423 | Non-pressure chronic ulcer of back with necrosis of muscle | Yes |
| L98..424 | Non-pressure chronic ulcer of back with necrosis of bone | Yes |
| L98..425 | Non-pressure chronic ulcer of back with muscle involvement without evidence of necrosis | Yes |
| L98..426 | Non-pressure chronic ulcer of back with bone involvement without evidence of necrosis | Yes |
| L98..428 | Non-pressure chronic ulcer of back with other specified severity | Yes |
| L98..429 | Non-pressure chronic ulcer of back with unspecified severity | Yes |
| L98..43 | Non-pressure chronic ulcer of abdomen | No |
| L98..431 | Non-pressure chronic ulcer of abdomen limited to breakdown of skin | Yes |
| L98..432 | Non-pressure chronic ulcer of abdomen with fat layer exposed | Yes |
| L98..433 | Non-pressure chronic ulcer of abdomen with necrosis of muscle | Yes |
| L98..434 | Non-pressure chronic ulcer of abdomen with necrosis of bone | Yes |
| L98..435 | Non-pressure chronic ulcer of abdomen with muscle involvement without evidence of necrosis | Yes |
| L98..436 | Non-pressure chronic ulcer of abdomen with bone involvement without evidence of necrosis | Yes |
| L98..438 | Non-pressure chronic ulcer of abdomen with other specified severity | Yes |
| L98..439 | Non-pressure chronic ulcer of abdomen with unspecified severity | Yes |
| L98..44 | Non-pressure chronic ulcer of chest | No |
| L98..441 | Non-pressure chronic ulcer of chest limited to breakdown of skin | Yes |
| L98..442 | Non-pressure chronic ulcer of chest with fat layer exposed | Yes |
| L98..443 | Non-pressure chronic ulcer of chest with necrosis of muscle | Yes |
| L98..444 | Non-pressure chronic ulcer of chest with necrosis of bone | Yes |
| L98..445 | Non-pressure chronic ulcer of chest with muscle involvement without evidence of necrosis | Yes |
| L98..446 | Non-pressure chronic ulcer of chest with bone involvement without evidence of necrosis | Yes |
| L98..448 | Non-pressure chronic ulcer of chest with other specified severity | Yes |
| L98..449 | Non-pressure chronic ulcer of chest with unspecified severity | Yes |
| L98..45 | Non-pressure chronic ulcer of neck | No |
| L98..451 | Non-pressure chronic ulcer of neck limited to breakdown of skin | Yes |
| L98..452 | Non-pressure chronic ulcer of neck with fat layer exposed | Yes |
| L98..453 | Non-pressure chronic ulcer of neck with necrosis of muscle | Yes |
| L98..454 | Non-pressure chronic ulcer of neck with necrosis of bone | Yes |
| L98..455 | Non-pressure chronic ulcer of neck with muscle involvement without evidence of necrosis | Yes |
| L98..456 | Non-pressure chronic ulcer of neck with bone involvement without evidence of necrosis | Yes |
| L98..458 | Non-pressure chronic ulcer of neck with other specified severity | Yes |
| L98..459 | Non-pressure chronic ulcer of neck with unspecified severity | Yes |
| L98..46 | Non-pressure chronic ulcer of face | No |
| L98..461 | Non-pressure chronic ulcer of face limited to breakdown of skin | Yes |
| L98..462 | Non-pressure chronic ulcer of face with fat layer exposed | Yes |
| L98..463 | Non-pressure chronic ulcer of face with necrosis of muscle | Yes |
| L98..464 | Non-pressure chronic ulcer of face with necrosis of bone | Yes |
| L98..465 | Non-pressure chronic ulcer of face with muscle involvement without evidence of necrosis | Yes |
| L98..466 | Non-pressure chronic ulcer of face with bone involvement without evidence of necrosis | Yes |
| L98..468 | Non-pressure chronic ulcer of face with other specified severity | Yes |
| L98..469 | Non-pressure chronic ulcer of face with unspecified severity | Yes |
| L98..47 | Non-pressure chronic ulcer of groin | No |
| L98..471 | Non-pressure chronic ulcer of groin limited to breakdown of skin | Yes |
| L98..472 | Non-pressure chronic ulcer of groin with fat layer exposed | Yes |
| L98..473 | Non-pressure chronic ulcer of groin with necrosis of muscle | Yes |
| L98..474 | Non-pressure chronic ulcer of groin with necrosis of bone | Yes |
| L98..475 | Non-pressure chronic ulcer of groin with muscle involvement without evidence of necrosis | Yes |
| L98..476 | Non-pressure chronic ulcer of groin with bone involvement without evidence of necrosis | Yes |
| L98..478 | Non-pressure chronic ulcer of groin with other specified severity | Yes |
| L98..479 | Non-pressure chronic ulcer of groin with unspecified severity | Yes |
| L98..49 | Non-pressure chronic ulcer of skin of other sites | No |
| L98..491 | Non-pressure chronic ulcer of skin of other sites limited to breakdown of skin | Yes |
| L98..492 | Non-pressure chronic ulcer of skin of other sites with fat layer exposed | Yes |
| L98..493 | Non-pressure chronic ulcer of skin of other sites with necrosis of muscle | Yes |
| L98..494 | Non-pressure chronic ulcer of skin of other sites with necrosis of bone | Yes |
| L98..495 | Non-pressure chronic ulcer of skin of other sites with muscle involvement without evidence of necrosis | Yes |
| L98..496 | Non-pressure chronic ulcer of skin of other sites with bone involvement without evidence of necrosis | Yes |
| L98..498 | Non-pressure chronic ulcer of skin of other sites with other specified severity | Yes |
| L98..499 | Non-pressure chronic ulcer of skin of other sites with unspecified severity | Yes |
| L98..A | Non-pressure chronic ulcer of upper limb, not elsewhere classified | No |
| L98..A1 | Non-pressure chronic ulcer of upper arm | No |
| L98..A11 | Non-pressure chronic ulcer of right upper arm | No |
| L98..A111 | Non-pressure chronic ulcer of right upper arm limited to breakdown of skin | Yes |
| L98..A112 | Non-pressure chronic ulcer of right upper arm with fat layer exposed | Yes |
| L98..A113 | Non-pressure chronic ulcer of right upper arm with necrosis of muscle | Yes |
| L98..A114 | Non-pressure chronic ulcer of right upper arm with necrosis of bone | Yes |
| L98..A115 | Non-pressure chronic ulcer of right upper arm with muscle involvement without evidence of necrosis | Yes |
| L98..A116 | Non-pressure chronic ulcer of right upper arm with bone involvement without evidence of necrosis | Yes |
| L98..A118 | Non-pressure chronic ulcer of right upper arm with other specified severity | Yes |
| L98..A119 | Non-pressure chronic ulcer of right upper arm with unspecified severity | Yes |
| L98..A12 | Non-pressure chronic ulcer of left upper arm | No |
| L98..A121 | Non-pressure chronic ulcer of left upper arm limited to breakdown of skin | Yes |
| L98..A122 | Non-pressure chronic ulcer of left upper arm with fat layer exposed | Yes |
| L98..A123 | Non-pressure chronic ulcer of left upper arm with necrosis of muscle | Yes |
| L98..A124 | Non-pressure chronic ulcer of left upper arm with necrosis of bone | Yes |
| L98..A125 | Non-pressure chronic ulcer of left upper arm with muscle involvement without evidence of necrosis | Yes |
| L98..A126 | Non-pressure chronic ulcer of left upper arm with bone involvement without evidence of necrosis | Yes |
| L98..A128 | Non-pressure chronic ulcer of left upper arm with other specified severity | Yes |
| L98..A129 | Non-pressure chronic ulcer of left upper arm with unspecified severity | Yes |
| L98..A19 | Non-pressure chronic ulcer of unspecified upper arm | No |
| L98..A191 | Non-pressure chronic ulcer of unspecified upper arm limited to breakdown of skin | Yes |
| L98..A192 | Non-pressure chronic ulcer of unspecified upper arm with fat layer exposed | Yes |
| L98..A193 | Non-pressure chronic ulcer of unspecified upper arm with necrosis of muscle | Yes |
| L98..A194 | Non-pressure chronic ulcer of unspecified upper arm with necrosis of bone | Yes |
| L98..A195 | Non-pressure chronic ulcer of unspecified upper arm with muscle involvement without evidence of necrosis | Yes |
| L98..A196 | Non-pressure chronic ulcer of unspecified upper arm with bone involvement without evidence of necrosis | Yes |
| L98..A198 | Non-pressure chronic ulcer of unspecified upper arm with other specified severity | Yes |
| L98..A199 | Non-pressure chronic ulcer of unspecified upper arm with unspecified severity | Yes |
| L98..A2 | Non-pressure chronic ulcer of forearm | No |
| L98..A21 | Non-pressure chronic ulcer of right forearm | No |
| L98..A211 | Non-pressure chronic ulcer of right forearm limited to breakdown of skin | Yes |
| L98..A212 | Non-pressure chronic ulcer of right forearm with fat layer exposed | Yes |
| L98..A213 | Non-pressure chronic ulcer of right forearm with necrosis of muscle | Yes |
| L98..A214 | Non-pressure chronic ulcer of right forearm with necrosis of bone | Yes |
| L98..A215 | Non-pressure chronic ulcer of right forearm with muscle involvement without evidence of necrosis | Yes |
| L98..A216 | Non-pressure chronic ulcer of right forearm with bone involvement without evidence of necrosis | Yes |
| L98..A218 | Non-pressure chronic ulcer of right forearm with other specified severity | Yes |
| L98..A219 | Non-pressure chronic ulcer of right forearm with unspecified severity | Yes |
| L98..A22 | Non-pressure chronic ulcer of left forearm | No |
| L98..A221 | Non-pressure chronic ulcer of left forearm limited to breakdown of skin | Yes |
| L98..A222 | Non-pressure chronic ulcer of left forearm with fat layer exposed | Yes |
| L98..A223 | Non-pressure chronic ulcer of left forearm with necrosis of muscle | Yes |
| L98..A224 | Non-pressure chronic ulcer of left forearm with necrosis of bone | Yes |
| L98..A225 | Non-pressure chronic ulcer of left forearm with muscle involvement without evidence of necrosis | Yes |
| L98..A226 | Non-pressure chronic ulcer of left forearm with bone involvement without evidence of necrosis | Yes |
| L98..A228 | Non-pressure chronic ulcer of left forearm with other specified severity | Yes |
| L98..A229 | Non-pressure chronic ulcer of left forearm with unspecified severity | Yes |
| L98..A29 | Non-pressure chronic ulcer of unspecified forearm | No |
| L98..A291 | Non-pressure chronic ulcer of unspecified forearm limited to breakdown of skin | Yes |
| L98..A292 | Non-pressure chronic ulcer of unspecified forearm with fat layer exposed | Yes |
| L98..A293 | Non-pressure chronic ulcer of unspecified forearm with necrosis of muscle | Yes |
| L98..A294 | Non-pressure chronic ulcer of unspecified forearm with necrosis of bone | Yes |
| L98..A295 | Non-pressure chronic ulcer of unspecified forearm with muscle involvement without evidence of necrosis | Yes |
| L98..A296 | Non-pressure chronic ulcer of unspecified forearm with bone involvement without evidence of necrosis | Yes |
| L98..A298 | Non-pressure chronic ulcer of unspecified forearm with other specified severity | Yes |
| L98..A299 | Non-pressure chronic ulcer of unspecified forearm with unspecified severity | Yes |
| L98..A3 | Non-pressure chronic ulcer of hand | No |
| L98..A31 | Non-pressure chronic ulcer of right hand | No |
| L98..A311 | Non-pressure chronic ulcer of right hand limited to breakdown of skin | Yes |
| L98..A312 | Non-pressure chronic ulcer of right hand with fat layer exposed | Yes |
| L98..A313 | Non-pressure chronic ulcer of right hand with necrosis of muscle | Yes |
| L98..A314 | Non-pressure chronic ulcer of right hand with necrosis of bone | Yes |
| L98..A315 | Non-pressure chronic ulcer of right hand with muscle involvement without evidence of necrosis | Yes |
| L98..A316 | Non-pressure chronic ulcer of right hand with bone involvement without evidence of necrosis | Yes |
| L98..A318 | Non-pressure chronic ulcer of right hand with other specified severity | Yes |
| L98..A319 | Non-pressure chronic ulcer of right hand with unspecified severity | Yes |
| L98..A32 | Non-pressure chronic ulcer of left hand | No |
| L98..A321 | Non-pressure chronic ulcer of left hand limited to breakdown of skin | Yes |
| L98..A322 | Non-pressure chronic ulcer of left hand with fat layer exposed | Yes |
| L98..A323 | Non-pressure chronic ulcer of left hand with necrosis of muscle | Yes |
| L98..A324 | Non-pressure chronic ulcer of left hand with necrosis of bone | Yes |
| L98..A325 | Non-pressure chronic ulcer of left hand with muscle involvement without evidence of necrosis | Yes |
| L98..A326 | Non-pressure chronic ulcer of left hand with bone involvement without evidence of necrosis | Yes |
| L98..A328 | Non-pressure chronic ulcer of left hand with other specified severity | Yes |
| L98..A329 | Non-pressure chronic ulcer of left hand with unspecified severity | Yes |
| L98..A39 | Non-pressure chronic ulcer of unspecified hand | No |
| L98..A391 | Non-pressure chronic ulcer of unspecified hand limited to breakdown of skin | Yes |
| L98..A392 | Non-pressure chronic ulcer of unspecified hand with fat layer exposed | Yes |
| L98..A393 | Non-pressure chronic ulcer of unspecified hand with necrosis of muscle | Yes |
| L98..A394 | Non-pressure chronic ulcer of unspecified hand with necrosis of bone | Yes |
| L98..A395 | Non-pressure chronic ulcer of unspecified hand with muscle involvement without evidence of necrosis | Yes |
| L98..A396 | Non-pressure chronic ulcer of unspecified hand with bone involvement without evidence of necrosis | Yes |
| L98..A398 | Non-pressure chronic ulcer of unspecified hand with other specified severity | Yes |
| L98..A399 | Non-pressure chronic ulcer of unspecified hand with unspecified severity | Yes |
| L98..5 | Mucinosis of the skin | Yes |
| L98..6 | Other infiltrative disorders of the skin and subcutaneous tissue | Yes |
| L98..7 | Excessive and redundant skin and subcutaneous tissue | Yes |
| L98..8 | Other specified disorders of the skin and subcutaneous tissue | Yes |
| L98..9 | Disorder of the skin and subcutaneous tissue, unspecified | Yes |
Last reviewed: September 2026