L14: Bullous disorders in diseases classified elsewhere
L14, bullous disorders in diseases classified elsewhere, is listed as a covered diagnosis in 3 Medicare billing and coding articles that apply to 24 HCPCS Level II codes, including J1569 (Injection, immune globulin, (gammagard liquid/gammagard…), J1561 (Injection, immune globulin, (gamunex-c/gammaked)…), J1459 (Injection, immune globulin (privigen), intravenous…). The articles come from 3 Medicare contractors. A listed diagnosis supports medical necessity only; coverage still depends on the LCD's criteria and on documentation in the medical record.
HCPCS Level II codes with L14 as a covered diagnosis
| Code | Description | Medicare coverage | DMEPOS fee 2026 (state range) | Articles listing it |
|---|---|---|---|---|
| J1569 | Injection, immune globulin, (gammagard liquid/gammagard liquid erc), 500 mg | Special coverage instructions apply | — | 2 |
| J1561 | Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mg | Special coverage instructions apply | — | 2 |
| J1459 | Injection, immune globulin (privigen), intravenous, non-lyophilized (e.g., liquid), 500 mg | Carrier judgment | — | 2 |
| J1557 | Injection, immune globulin, (gammaplex), intravenous, non-lyophilized (e.g., liquid), 500 mg | Carrier judgment | — | 2 |
| J1556 | Injection, immune globulin (bivigam), 500 mg | Carrier judgment | — | 2 |
| J1568 | Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg | Carrier judgment | — | 2 |
| J1566 | Injection, immune globulin, intravenous, lyophilized (e.g., powder), not otherwise specified, 500 mg | Special coverage instructions apply | — | 2 |
| J1572 | Injection, immune globulin, (flebogamma/flebogamma dif), intravenous, non-lyophilized (e.g., liquid), 500 mg | Special coverage instructions apply | — | 2 |
| J1552 | Injection, immune globulin (alyglo), 500 mg | Carrier judgment | — | 2 |
| J9312 | Injection, rituximab, 10 mg | Special coverage instructions apply | — | 1 |
| Q5123 | Injection, rituximab-arrx, biosimilar, (riabni), 10 mg | Carrier judgment | — | 1 |
| Q5119 | Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mg | Carrier judgment | — | 1 |
| Q5115 | Injection, rituximab-abbs, biosimilar, (truxima), 10 mg | Special coverage instructions apply | — | 1 |
| J1575 | Injection, immune globulin/hyaluronidase, (hyqvia), 100 mg immuneglobulin | Carrier judgment | — | 1 |
| J1554 | Injection, immune globulin (asceniv), 500 mg | Carrier judgment | — | 1 |
| J1599 | Injection, immune globulin, intravenous, non-lyophilized (e.g., liquid), not otherwise specified, 500 mg | Carrier judgment | — | 1 |
| J1460 | Injection, gamma globulin, intramuscular, 1 cc | Special coverage instructions apply | — | 1 |
| J1670 | Injection, tetanus immune globulin, human, up to 250 units | Special coverage instructions apply | — | 1 |
| J0840 | Injection, crotalidae polyvalent immune fab (ovine), up to 1 gram | Carrier judgment | — | 1 |
| J0850 | Injection, cytomegalovirus immune globulin intravenous (human), per vial | Special coverage instructions apply | — | 1 |
| J1560 | Injection, gamma globulin, intramuscular, over 10 cc | Special coverage instructions apply | — | 1 |
| J1571 | Injection, hepatitis b immune globulin (hepagam b), intramuscular, 0.5 ml | Special coverage instructions apply | — | 1 |
| J1573 | Injection, hepatitis b immune globulin (hepagam b), intravenous, 0.5 ml | Carrier judgment | — | 1 |
| J1577 | Injection, immune globulin (qivigy), 100 mg | Carrier judgment | — | 1 |
Medicare policy articles listing L14
- A56779: Billing and Coding: Intravenous Immune Globulin (CGS Administrators, LLC (MAC - Part A, MAC - Part B); 9 Level II codes). LCD with the same title: L33610, L35891
- A59101: Billing and Coding: Off-label Use of Rituximab and Rituximab Biosimilars (Wellpoint Federal (MAC - Part A, MAC - Part B); 4 Level II codes). LCD with the same title: L38920, L39297
- A57554: Billing and Coding: Immune Globulins (WPS Insurance Corporation (MAC - Part A, MAC - Part B); 20 Level II codes). LCD with the same title: L34771
A diagnosis listed as covered in a billing and coding article supports medical necessity for the article's codes; it does not guarantee payment. Coverage depends on the LCD's criteria, the contractor's jurisdiction and documentation in the medical record.
Frequently asked questions
Does Medicare cover L14 (Bullous disorders in diseases classified elsewhere)?
Medicare covers items and services, not diagnoses. 3 Medicare billing and coding articles list L14 as a covered diagnosis for 24 HCPCS Level II codes: the diagnosis can support medical necessity for those codes, but payment still depends on the LCD's coverage criteria and the medical record.
Which HCPCS codes can be billed with ICD-10 L14?
The Level II codes from the policies most specific to this diagnosis are J1569 (Injection, immune globulin, (gammagard liquid/gammagard…, 2 articles); J1561 (Injection, immune globulin, (gamunex-c/gammaked)…, 2 articles); J1459 (Injection, immune globulin (privigen), intravenous…, 2 articles); J1557 (Injection, immune globulin, (gammaplex), intravenous…, 2 articles); J1556 (Injection, immune globulin (bivigam), 500 mg, 2 articles). Code choice depends on the item supplied; check each code's descriptor.
Which Medicare policy articles list L14?
A56779 (Billing and Coding: Intravenous Immune Globulin); A59101 (Billing and Coding: Off-label Use of Rituximab and Rituximab Biosimilars); A57554 (Billing and Coding: Immune Globulins).
What is ICD-10-CM code L14?
L14 is the ICD-10-CM code for bullous disorders in diseases classified elsewhere, in category L14 (Bullous disorders in diseases classified elsewhere), chapter 12: Diseases of the skin and subcutaneous tissue.
Next steps
- Run a reimbursement report for a device billed under J1569
- Watch J1569 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for J1569
Sources: CMS Medicare Coverage Database billing and coding articles (covered ICD-10 code lists and HCPCS links); ICD-10-CM FY2026; CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule 2026 (non-rural state fees). Not billing or legal advice.
Chapter 12: Diseases of the skin and subcutaneous tissue · All diagnoses · HCPCS lookup