L98.45: Non-pressure chronic ulcer of neck

New code · FY2026

Not billable: this is a header. Use one of the more specific codes below.

• New code, effective October 1, 2025 (FY2026).

Code breakdown

Coding notes

Inclusion terms (from L98.4)

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

Excludes2 (from L98.4)

• 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 L98.45

• 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

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All FY2026 ICD-10-CM changes

ICD-10-CM codes and descriptions are from the CMS and NCHS code files. Coverage is from the CMS Medicare Coverage Database billing and coding articles.