L98.42 Non-pressure chronic ulcer of back

Non-billable header with 8 child codes.

Applies from L98.4 Non-pressure chronic ulcer of skin, not elsewhere classified

Applicable to

• Chronic ulcer of skin NOS
• Tropical ulcer NOS
• Ulcer of skin NOS

Excludes2 (not included here)

• 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)

Codes under L98.42

• 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

Code annotations containing back-references to L98.42

Back-references to L98.42

• Use Additional: E08.622 Diabetes mellitus due to underlying condition with other skin ulcer ("code to identify site of ulcer (L97.1-L97.9, L98.41-L98.49)")
• Use Additional: E09.622 Drug or chemical induced diabetes mellitus with other skin ulcer ("code to identify site of ulcer (L97.1-L97.9, L98.41-L98.49)")
• Use Additional: E10.622 Type 1 diabetes mellitus with other skin ulcer ("code to identify site of ulcer (L97.1-L97.9, L98.41-L98.49)")
• Use Additional: E11.622 Type 2 diabetes mellitus with other skin ulcer ("code to identify site of ulcer (L97.1-L97.9, L98.41-L98.49)")
• Use Additional: E13.622 Other specified diabetes mellitus with other skin ulcer ("code to identify site of ulcer (L97.1-L97.9, L98.41-L98.49)")

Back-references to L98.4

• Use Additional: T65.84 Toxic effect of xylazine ("non-pressure chronic ulcer of skin, not elsewhere classified (L98.4-)")

Nearby codes

• 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 (this code)
• 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