ICD-10-CM tabular list

Chapter 12: Diseases of the skin and subcutaneous tissue

L00-L99

Chapter 12 of the ICD-10-CM tabular list covers diseases of the skin and subcutaneous tissue, codes L00-L99. It holds 1,206 codes across 9 blocks, of which 1,000 are billable and 206 are header codes that cannot go on a claim.

Excludes2 — not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
lipomelanotic reticulosis (I89.8)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
systemic connective tissue disorders (M30-M36)
viral warts (B07.-)

Risk adjustment in Chapter 12

423 of this chapter’s codes map to a CMS-HCC, which means the diagnosis carries a risk-adjustment payment when it is documented and coded to the level the record supports.

HCC 380 Chronic Ulcer of Skin, Except Pressure, Through to Bone or Muscle
HCC 383 Chronic Ulcer of Skin, Except Pressure, Not Specified as Through to Bone or Muscle
HCC 381 Pressure Ulcer of Skin with Full Thickness Skin Loss
HCC 382 Pressure Ulcer of Skin with Partial Thickness Skin Loss
HCC 379 Pressure Ulcer of Skin with Necrosis Through to Muscle, Tendon, or Bone
HCC 387 Pemphigus, Pemphigoid, and Other Specified Autoimmune Skin Disorders

Excludes2 — not included here, but may coexist

Risk adjustment in Chapter 12

Blocks in this chapter