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HomeICD-10 CodesL40
ICD-10-CM
Billable

L40

Classification
Category:
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Coding Guidance
Coding Guidance L40 should not be used for reimbursement purposes as there are more specific codes below it that contain a greater level of detail. See Related Codes to drill down to more specific billable codes for appropriate reimbursement.
Excludes 2
From
  • 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 .-)

More Specific Codes

L40.0
Psoriasis vulgaris L40.0
L40.1
Generalized pustular psoriasis L40.1
L40.2
Acrodermatitis continua L40.2
L40.3
Pustulosis palmaris et plantaris L40.3
L40.4
Guttate psoriasis L40.4
L40.5
Arthropathic psoriasis L40.5
L40.8
Other psoriasis L40.8
L40.9
Psoriasis, unspecified L40.9
L00-L99
L00-L99 - Diseases of the skin and subcutaneous tissue

External Resources

2025 ICD-10 guidelines from CMS.gov