ICD-10-CM 2026 · Effective October 1, 2025

ICD-10 L98.9

Billable / Specific

Disorder of the skin and subcutaneous tissue, unspecified

L98
Block
0
Synonyms
163
LCDs
5
Payer Policies
3
Linked CPTs

About ICD-10-CM L98.9

ICD-10-CM code L98.9 represents Disorder of the skin and subcutaneous tissue, unspecified. This is a billable/specific code in the Skin and Subcutaneous Tissue chapter (block L98). The 2026 edition of ICD-10-CM L98.9 became effective on October 1, 2025.

Medicare LCD Coverage for L98.9

Local Coverage Determinations (LCDs) from CMS MACs that list L98.9 as a covered diagnosis.

163 LCDs

Showing top 10 of 163 total . Click a CPT for full coverage scope.

CMS LCD: Billing and Coding: Lab: Flow Cytometry
Article ID: 57689, Effective: 2025-11-06 00:00:00, 1518 covered, 0 non-covered
CPT 88189 →
CMS LCD: Billing and Coding: Lab: Flow Cytometry
Article ID: 57689, Effective: 2025-11-06 00:00:00, 1518 covered, 0 non-covered
CPT 86360 →
CMS LCD: Billing and Coding: Lab: Flow Cytometry
Article ID: 57689, Effective: 2025-11-06 00:00:00, 1518 covered, 0 non-covered
CPT 86361 →
CMS LCD: Billing and Coding: Lab: Flow Cytometry
Article ID: 57689, Effective: 2025-11-06 00:00:00, 1518 covered, 0 non-covered
CPT 88187 →
CMS LCD: Billing and Coding: Lab: Flow Cytometry
Article ID: 57689, Effective: 2025-11-06 00:00:00, 1518 covered, 0 non-covered
CPT 86363 →
CMS LCD: Billing and Coding: Lab: Flow Cytometry
Article ID: 57689, Effective: 2025-11-06 00:00:00, 1518 covered, 0 non-covered
CPT 86359 →
CMS LCD: Billing and Coding: Lab: Flow Cytometry
Article ID: 57689, Effective: 2025-11-06 00:00:00, 1518 covered, 0 non-covered
CPT 86356 →
CMS LCD: Billing and Coding: Lab: Flow Cytometry
Article ID: 57689, Effective: 2025-11-06 00:00:00, 1518 covered, 0 non-covered
CPT 88188 →
CMS LCD: Billing and Coding: Lab: Flow Cytometry
Article ID: 57689, Effective: 2025-11-06 00:00:00, 1518 covered, 0 non-covered
CPT 88184 →
CMS LCD: Billing and Coding: Lab: Flow Cytometry
Article ID: 57689, Effective: 2025-11-06 00:00:00, 1518 covered, 0 non-covered
CPT 88185 →

Commercial Payer Coverage

Coverage policies from major commercial payers referencing L98.9.

5 policies

2 Aetna

Septoplasty and Rhinoplasty - Medical Clinical Policy Bulletins | Aetna
Policy ID: CPB-0005
Herpes Simplex Virus - Screening and Diagnosis
Policy ID: CPB-0433

3 Medicare

Billing and Coding: Lab: Flow Cytometry
Policy ID: ART-57689
Billing and Coding: Cosmetic and Reconstructive Surgery
Policy ID: ART-58774
Billing and Coding: Cosmetic and Reconstructive Surgery
Policy ID: ART-59299

CPT Codes Commonly Billed with L98.9

Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.

3 linkages
  • 11102 Tangential skin biopsy — uncertain neoplasm skin, actinic keratosis, melanocytic nevi, skin cancer, melanoma, psoriasis, discoid lupus, skin disorder, rash, seborrheic keratosis, benign neoplasm, dermatitis, prurigo, dermatitis herpetiformis Dermatology
  • 11104 Punch biopsy skin — uncertain skin neoplasm, skin cancer, melanoma, nevi, psoriasis, lupus, connective tissue disorder, pemphigus, bullous pemphigoid Dermatology
  • 11106 Incisional biopsy skin — uncertain neoplasm, skin cancer, melanoma, nevi, actinic keratosis, BCC/SCC by site Dermatology

Convert L98.9 to ICD-9-CM

Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.

ICD-10ICD-9Mapping Flags
L98.9 7099 10000

Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).

ICD-10 L98.9, Billing FAQ

Is ICD-10 code L98.9 billable? +

Yes, L98.9 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.

What CPT codes are commonly billed with L98.9? +

Procedures frequently paired with L98.9 include: 11102, 11104, 11106.

What ICD-9 codes does L98.9 map to? +

Per CMS GEMs, L98.9 maps to ICD-9 codes: 7099. Useful for legacy data review and historical claim analysis.

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Reviewed by the PayerReady Medical Coding Team

Verified against the CMS 2026 code set on June 1, 2026.

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