ICD-10-CM Book 2026 Edition

Chapters  /  Chapter 12  /  L80-L99  /  L98
L98 Other disorders of skin and subcutaneous tissue, not elsewhere classified
L98.0 Pyogenic granuloma
Excludes2 pyogenic granuloma of gingiva (K06.8)
pyogenic granuloma of maxillary alveolar ridge (K04.5)
pyogenic granuloma of oral mucosa (K13.4)
L98.1 Factitial dermatitis
Neurotic excoriation
Excludes1 Excoriation (skin-picking) disorder (F42.4)
L98.2 Febrile neutrophilic dermatosis [Sweet]
L98.3 Eosinophilic cellulitis [Wells]
L98.4 Non-pressure chronic ulcer of skin, not elsewhere classified
Chronic ulcer of skin NOS
Tropical ulcer NOS
Ulcer of skin NOS
Excludes2 pressure ulcer (pressure area) (L89.-)
gangrene (I96)
skin infections (L00-L08)
specific infections classified to A00-B99
ulcer of lower limb NEC (L97.-)
varicose ulcer (I83.0-I83.93)
L98.41 Non-pressure chronic ulcer of buttock
L98.411 Non-pressure chronic ulcer of buttock limited to breakdown of skin
L98.412 Non-pressure chronic ulcer of buttock with fat layer exposed
L98.413 Non-pressure chronic ulcer of buttock with necrosis of muscle
L98.414 Non-pressure chronic ulcer of buttock with necrosis of bone
L98.415 Non-pressure chronic ulcer of buttock with muscle involvement without evidence of necrosis
L98.416 Non-pressure chronic ulcer of buttock with bone involvement without evidence of necrosis
L98.418 Non-pressure chronic ulcer of buttock with other specified severity
L98.419 Non-pressure chronic ulcer of buttock with unspecified severity
L98.42 Non-pressure chronic ulcer of back
L98.421 Non-pressure chronic ulcer of back limited to breakdown of skin
L98.422 Non-pressure chronic ulcer of back with fat layer exposed
L98.423 Non-pressure chronic ulcer of back with necrosis of muscle
L98.424 Non-pressure chronic ulcer of back with necrosis of bone
L98.425 Non-pressure chronic ulcer of back with muscle involvement without evidence of necrosis
L98.426 Non-pressure chronic ulcer of back with bone involvement without evidence of necrosis
L98.428 Non-pressure chronic ulcer of back with other specified severity
L98.429 Non-pressure chronic ulcer of back with unspecified severity
L98.43 Non-pressure chronic ulcer of abdomen
L98.431 Non-pressure chronic ulcer of abdomen limited to breakdown of skin
L98.432 Non-pressure chronic ulcer of abdomen with fat layer exposed
L98.433 Non-pressure chronic ulcer of abdomen with necrosis of muscle
L98.434 Non-pressure chronic ulcer of abdomen with necrosis of bone
L98.435 Non-pressure chronic ulcer of abdomen with muscle involvement without evidence of necrosis
L98.436 Non-pressure chronic ulcer of abdomen with bone involvement without evidence of necrosis
L98.438 Non-pressure chronic ulcer of abdomen with other specified severity
L98.439 Non-pressure chronic ulcer of abdomen with unspecified severity
L98.44 Non-pressure chronic ulcer of chest
L98.441 Non-pressure chronic ulcer of chest limited to breakdown of skin
L98.442 Non-pressure chronic ulcer of chest with fat layer exposed
L98.443 Non-pressure chronic ulcer of chest with necrosis of muscle
L98.444 Non-pressure chronic ulcer of chest with necrosis of bone
L98.445 Non-pressure chronic ulcer of chest with muscle involvement without evidence of necrosis
L98.446 Non-pressure chronic ulcer of chest with bone involvement without evidence of necrosis
L98.448 Non-pressure chronic ulcer of chest with other specified severity
L98.449 Non-pressure chronic ulcer of chest with unspecified severity
L98.45 Non-pressure chronic ulcer of neck
L98.451 Non-pressure chronic ulcer of neck limited to breakdown of skin
L98.452 Non-pressure chronic ulcer of neck with fat layer exposed
L98.453 Non-pressure chronic ulcer of neck with necrosis of muscle
L98.454 Non-pressure chronic ulcer of neck with necrosis of bone
L98.455 Non-pressure chronic ulcer of neck with muscle involvement without evidence of necrosis
L98.456 Non-pressure chronic ulcer of neck with bone involvement without evidence of necrosis
L98.458 Non-pressure chronic ulcer of neck with other specified severity
L98.459 Non-pressure chronic ulcer of neck with unspecified severity
L98.46 Non-pressure chronic ulcer of face
L98.461 Non-pressure chronic ulcer of face limited to breakdown of skin
L98.462 Non-pressure chronic ulcer of face with fat layer exposed
L98.463 Non-pressure chronic ulcer of face with necrosis of muscle
L98.464 Non-pressure chronic ulcer of face with necrosis of bone
L98.465 Non-pressure chronic ulcer of face with muscle involvement without evidence of necrosis
L98.466 Non-pressure chronic ulcer of face with bone involvement without evidence of necrosis
L98.468 Non-pressure chronic ulcer of face with other specified severity
L98.469 Non-pressure chronic ulcer of face with unspecified severity
L98.47 Non-pressure chronic ulcer of groin
L98.471 Non-pressure chronic ulcer of groin limited to breakdown of skin
L98.472 Non-pressure chronic ulcer of groin with fat layer exposed
L98.473 Non-pressure chronic ulcer of groin with necrosis of muscle
L98.474 Non-pressure chronic ulcer of groin with necrosis of bone
L98.475 Non-pressure chronic ulcer of groin with muscle involvement without evidence of necrosis
L98.476 Non-pressure chronic ulcer of groin with bone involvement without evidence of necrosis
L98.478 Non-pressure chronic ulcer of groin with other specified severity
L98.479 Non-pressure chronic ulcer of groin with unspecified severity
L98.49 Non-pressure chronic ulcer of skin of other sites
Non-pressure chronic ulcer of skin NOS
L98.491 Non-pressure chronic ulcer of skin of other sites limited to breakdown of skin
L98.492 Non-pressure chronic ulcer of skin of other sites with fat layer exposed
L98.493 Non-pressure chronic ulcer of skin of other sites with necrosis of muscle
L98.494 Non-pressure chronic ulcer of skin of other sites with necrosis of bone
L98.495 Non-pressure chronic ulcer of skin of other sites with muscle involvement without evidence of necrosis
L98.496 Non-pressure chronic ulcer of skin of other sites with bone involvement without evidence of necrosis
L98.498 Non-pressure chronic ulcer of skin of other sites with other specified severity
L98.499 Non-pressure chronic ulcer of skin of other sites with unspecified severity
L98.A Non-pressure chronic ulcer of upper limb, not elsewhere classified
Chronic ulcer of upper limb NOS
Non-healing ulcer of upper limb
Ulcer of upper limb NEC
Excludes2 gangrene (I96)
pressure ulcer (pressure area) (L89.-)
skin infections (L00-L08)
specific infections classified to A00-B99
ulcer of lower limb NEC (L97.-)
varicose ulcer (I83.0-I83.93)
L98.A1 Non-pressure chronic ulcer of upper arm
Non-pressure chronic ulcer of axilla
L98.A11 Non-pressure chronic ulcer of right upper arm
L98.A111 Non-pressure chronic ulcer of right upper arm limited to breakdown of skin
L98.A112 Non-pressure chronic ulcer of right upper arm with fat layer exposed
L98.A113 Non-pressure chronic ulcer of right upper arm with necrosis of muscle
L98.A114 Non-pressure chronic ulcer of right upper arm with necrosis of bone
L98.A115 Non-pressure chronic ulcer of right upper arm with muscle involvement without evidence of necrosis
L98.A116 Non-pressure chronic ulcer of right upper arm with bone involvement without evidence of necrosis
L98.A118 Non-pressure chronic ulcer of right upper arm with other specified severity
L98.A119 Non-pressure chronic ulcer of right upper arm with unspecified severity
L98.A12 Non-pressure chronic ulcer of left upper arm
L98.A121 Non-pressure chronic ulcer of left upper arm limited to breakdown of skin
L98.A122 Non-pressure chronic ulcer of left upper arm with fat layer exposed
L98.A123 Non-pressure chronic ulcer of left upper arm with necrosis of muscle
L98.A124 Non-pressure chronic ulcer of left upper arm with necrosis of bone
L98.A125 Non-pressure chronic ulcer of left upper arm with muscle involvement without evidence of necrosis
L98.A126 Non-pressure chronic ulcer of left upper arm with bone involvement without evidence of necrosis
L98.A128 Non-pressure chronic ulcer of left upper arm with other specified severity
L98.A129 Non-pressure chronic ulcer of left upper arm with unspecified severity
L98.A19 Non-pressure chronic ulcer of unspecified upper arm
L98.A191 Non-pressure chronic ulcer of unspecified upper arm limited to breakdown of skin
L98.A192 Non-pressure chronic ulcer of unspecified upper arm with fat layer exposed
L98.A193 Non-pressure chronic ulcer of unspecified upper arm with necrosis of muscle
L98.A194 Non-pressure chronic ulcer of unspecified upper arm with necrosis of bone
L98.A195 Non-pressure chronic ulcer of unspecified upper arm with muscle involvement without evidence of necrosis
L98.A196 Non-pressure chronic ulcer of unspecified upper arm with bone involvement without evidence of necrosis
L98.A198 Non-pressure chronic ulcer of unspecified upper arm with other specified severity
L98.A199 Non-pressure chronic ulcer of unspecified upper arm with unspecified severity
L98.A2 Non-pressure chronic ulcer of forearm
L98.A21 Non-pressure chronic ulcer of right forearm
L98.A211 Non-pressure chronic ulcer of right forearm limited to breakdown of skin
L98.A212 Non-pressure chronic ulcer of right forearm with fat layer exposed
L98.A213 Non-pressure chronic ulcer of right forearm with necrosis of muscle
L98.A214 Non-pressure chronic ulcer of right forearm with necrosis of bone
L98.A215 Non-pressure chronic ulcer of right forearm with muscle involvement without evidence of necrosis
L98.A216 Non-pressure chronic ulcer of right forearm with bone involvement without evidence of necrosis
L98.A218 Non-pressure chronic ulcer of right forearm with other specified severity
L98.A219 Non-pressure chronic ulcer of right forearm with unspecified severity
L98.A22 Non-pressure chronic ulcer of left forearm
L98.A221 Non-pressure chronic ulcer of left forearm limited to breakdown of skin
L98.A222 Non-pressure chronic ulcer of left forearm with fat layer exposed
L98.A223 Non-pressure chronic ulcer of left forearm with necrosis of muscle
L98.A224 Non-pressure chronic ulcer of left forearm with necrosis of bone
L98.A225 Non-pressure chronic ulcer of left forearm with muscle involvement without evidence of necrosis
L98.A226 Non-pressure chronic ulcer of left forearm with bone involvement without evidence of necrosis
L98.A228 Non-pressure chronic ulcer of left forearm with other specified severity
L98.A229 Non-pressure chronic ulcer of left forearm with unspecified severity
L98.A29 Non-pressure chronic ulcer of unspecified forearm
L98.A291 Non-pressure chronic ulcer of unspecified forearm limited to breakdown of skin
L98.A292 Non-pressure chronic ulcer of unspecified forearm with fat layer exposed
L98.A293 Non-pressure chronic ulcer of unspecified forearm with necrosis of muscle
L98.A294 Non-pressure chronic ulcer of unspecified forearm with necrosis of bone
L98.A295 Non-pressure chronic ulcer of unspecified forearm with muscle involvement without evidence of necrosis
L98.A296 Non-pressure chronic ulcer of unspecified forearm with bone involvement without evidence of necrosis
L98.A298 Non-pressure chronic ulcer of unspecified forearm with other specified severity
L98.A299 Non-pressure chronic ulcer of unspecified forearm with unspecified severity
L98.A3 Non-pressure chronic ulcer of hand
L98.A31 Non-pressure chronic ulcer of right hand
L98.A311 Non-pressure chronic ulcer of right hand limited to breakdown of skin
L98.A312 Non-pressure chronic ulcer of right hand with fat layer exposed
L98.A313 Non-pressure chronic ulcer of right hand with necrosis of muscle
L98.A314 Non-pressure chronic ulcer of right hand with necrosis of bone
L98.A315 Non-pressure chronic ulcer of right hand with muscle involvement without evidence of necrosis
L98.A316 Non-pressure chronic ulcer of right hand with bone involvement without evidence of necrosis
L98.A318 Non-pressure chronic ulcer of right hand with other specified severity
L98.A319 Non-pressure chronic ulcer of right hand with unspecified severity
L98.A32 Non-pressure chronic ulcer of left hand
L98.A321 Non-pressure chronic ulcer of left hand limited to breakdown of skin
L98.A322 Non-pressure chronic ulcer of left hand with fat layer exposed
L98.A323 Non-pressure chronic ulcer of left hand with necrosis of muscle
L98.A324 Non-pressure chronic ulcer of left hand with necrosis of bone
L98.A325 Non-pressure chronic ulcer of left hand with muscle involvement without evidence of necrosis
L98.A326 Non-pressure chronic ulcer of left hand with bone involvement without evidence of necrosis
L98.A328 Non-pressure chronic ulcer of left hand with other specified severity
L98.A329 Non-pressure chronic ulcer of left hand with unspecified severity
L98.A39 Non-pressure chronic ulcer of unspecified hand
L98.A391 Non-pressure chronic ulcer of unspecified hand limited to breakdown of skin
L98.A392 Non-pressure chronic ulcer of unspecified hand with fat layer exposed
L98.A393 Non-pressure chronic ulcer of unspecified hand with necrosis of muscle
L98.A394 Non-pressure chronic ulcer of unspecified hand with necrosis of bone
L98.A395 Non-pressure chronic ulcer of unspecified hand with muscle involvement without evidence of necrosis
L98.A396 Non-pressure chronic ulcer of unspecified hand with bone involvement without evidence of necrosis
L98.A398 Non-pressure chronic ulcer of unspecified hand with other specified severity
L98.A399 Non-pressure chronic ulcer of unspecified hand with unspecified severity
L98.5 Mucinosis of the skin
Focal mucinosis
Lichen myxedematosus
Reticular erythematous mucinosis
Excludes1 focal oral mucinosis (K13.79)
myxedema (E03.9)
L98.6 Other infiltrative disorders of the skin and subcutaneous tissue
Excludes1 hyalinosis cutis et mucosae (E78.89)
L98.7 Excessive and redundant skin and subcutaneous tissue
Loose or sagging skin following bariatric surgery weight loss
Loose or sagging skin following dietary weight loss
Loose or sagging skin, NOS
Excludes2 acquired excess or redundant skin of eyelid (H02.3-)
congenital excess or redundant skin of eyelid (Q10.3)
skin changes due to chronic exposure to nonionizing radiation (L57.-)
L98.8 Other specified disorders of the skin and subcutaneous tissue
L98.9 Disorder of the skin and subcutaneous tissue, unspecified