L12.8

Other pemphigoid

FY2027Chapter 12: Diseases of the skin and subcutaneous tissue/L10–L14 Bullous disorders

BillableComplete code, valid to report

L12.8 (also written L128) is a billable ICD-10-CM diagnosis code for other pemphigoid. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 8 codes in category L12 (Pemphigoid). The Alphabetic Index lists it under 1 entry. Its coding notes include 5 Excludes1 entries and 10 Excludes2 entries.

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Inherited from L12 Pemphigoid
  • herpes gestationis (O26.4-)
  • impetigo herpetiformis (L40.1)
Also from chapter/block level (3 notes)
Inherited from L10–L14 Bullous disorders
  • benign familial pemphigus [Hailey-Hailey] (Q82.8)
  • staphylococcal scalded skin syndrome (L00)
  • toxic epidermal necrolysis [Lyell] (L51.2)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (10 notes)
Inherited from Chapter 12 Diseases of the skin and subcutaneous tissue
  • 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.-)

Care settings

How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.

Home Health Primary

Accepted as the primary (principal) diagnosis on a home health claim. The Home Health Grouper assigns it to the MMTA - Other clinical group.

Source: CMS Home Health Grouper Software v07.2.26, effective October 1, 2026

Hospital CC

Counts as a complication or comorbidity (CC) when reported as a secondary diagnosis on an inpatient claim. It does not count when the principal diagnosis is one of the 21 codes in its exclusion list. Some MS-DRGs also ignore a CC or MCC that defines the DRG.

Source: CMS MS-DRG Definitions Manual v44, effective October 1, 2026, Appendix C

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 1 entry