ICD10BillableValid for clinical use
ICD-10 Code L98.6: Other infiltrative disorders of the skin and subcutaneous tissue
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the skin and subcutaneous tissue (L00-L99).
When is it used?
- May be used when a clinician documents other infiltrative disorders of the skin and subcutaneous tissue in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
12Diseases of the skin and subcutaneous tissue (L00-L99)
block
L80-L99Other disorders of the skin and subcutaneous tissue
category
L98Other disorders of skin and subcutaneous tissue, not elsewhere classified
currentL98
Official coding notes
Excludes1 (do not code together)
- hyalinosis cutis et mucosae (E78.89)
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
Dermatologist
Related codes
L98.0Pyogenic granulomacodeL98.1Factitial dermatitiscodeL98.2Febrile neutrophilic dermatosis [Sweet]codeL98.3Eosinophilic cellulitis [Wells]codeL98.4Non-pressure chronic ulcer of skin, not elsewhere classifiedcategoryL98.ANon-pressure chronic ulcer of upper limb, not elsewhere classifiedcategoryL98.5Mucinosis of the skincodeL98.7Excessive and redundant skin and subcutaneous tissuecodeL98.8Other specified disorders of the skin and subcutaneous tissuecodeL98.9Disorder of the skin and subcutaneous tissue, unspecifiedcode
Sibling codes
L98.0Pyogenic granulomabillableL98.1Factitial dermatitisbillableL98.2Febrile neutrophilic dermatosis [Sweet]billableL98.3Eosinophilic cellulitis [Wells]billableL98.4Non-pressure chronic ulcer of skin, not elsewhere classifiedL98.ANon-pressure chronic ulcer of upper limb, not elsewhere classifiedL98.5Mucinosis of the skinbillableL98.7Excessive and redundant skin and subcutaneous tissuebillableL98.8Other specified disorders of the skin and subcutaneous tissuebillableL98.9Disorder of the skin and subcutaneous tissue, unspecifiedbillable
Coverage-related procedures and services
CPT 15820high
BLEPHAROPLASTY, LOWER EYELID;
Source: CMS coverage guidance
CPT 15821high
BLEPHAROPLASTY, LOWER EYELID; WITH EXTENSIVE HERNIATED FAT PAD
Source: CMS coverage guidance
CPT 15822high
BLEPHAROPLASTY, UPPER EYELID;
Source: CMS coverage guidance
CPT 15823high
BLEPHAROPLASTY, UPPER EYELID; WITH EXCESSIVE SKIN WEIGHTING DOWN LID
Source: CMS coverage guidance
CPT 17111high
DESTRUCTION (EG, LASER SURGERY, ELECTROSURGERY, CRYOSURGERY, CHEMOSURGERY, SURGICAL CURETTEMENT), OF BENIGN LESIONS OTHER THAN SKIN TAGS OR CUTANEOUS VASCULAR PROLIFERATIVE LESIONS; 15 OR MORE LESIONS
Source: CMS coverage guidance
CPT 17110high
DESTRUCTION (EG, LASER SURGERY, ELECTROSURGERY, CRYOSURGERY, CHEMOSURGERY, SURGICAL CURETTEMENT), OF BENIGN LESIONS OTHER THAN SKIN TAGS OR CUTANEOUS VASCULAR PROLIFERATIVE LESIONS; UP TO 14 LESIONS
Source: CMS coverage guidance
Mapped diagnoses and classifications
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
L98.6
Common synonyms
Other infiltrative disorders of the skin and subcutaneous tissue
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.