ICD10BillableValid for clinical use
ICD-10 Code L72.9: Follicular cyst of the skin and subcutaneous tissue, unspecified
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 follicular cyst of the skin and subcutaneous tissue, unspecified 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
L60-L75Disorders of skin appendages
category
L72Follicular cysts of skin and subcutaneous tissue
currentL72
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
Sibling codes
Coverage-related procedures and services
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
CPT 17004high
DESTRUCTION (EG, LASER SURGERY, ELECTROSURGERY, CRYOSURGERY, CHEMOSURGERY, SURGICAL CURETTEMENT), PREMALIGNANT LESIONS (EG, ACTINIC KERATOSES), 15 OR MORE LESIONS
Source: CMS coverage guidance
CPT 17000high
DESTRUCTION (EG, LASER SURGERY, ELECTROSURGERY, CRYOSURGERY, CHEMOSURGERY, SURGICAL CURETTEMENT), PREMALIGNANT LESIONS (EG, ACTINIC KERATOSES); FIRST LESION
Source: CMS coverage guidance
CPT 17003high
DESTRUCTION (EG, LASER SURGERY, ELECTROSURGERY, CRYOSURGERY, CHEMOSURGERY, SURGICAL CURETTEMENT), PREMALIGNANT LESIONS (EG, ACTINIC KERATOSES); SECOND THROUGH 14 LESIONS, EACH (LIST SEPARATELY IN ADDITION TO CODE FOR FIRST LESION)
Source: CMS coverage guidance
CPT 17280high
DESTRUCTION, MALIGNANT LESION (EG, LASER SURGERY, ELECTROSURGERY, CRYOSURGERY, CHEMOSURGERY, SURGICAL CURETTEMENT), FACE, EARS, EYELIDS, NOSE, LIPS, MUCOUS MEMBRANE; LESION DIAMETER 0.5 CM OR LESS
Source: CMS coverage guidance
Mapped diagnoses and classifications
SNOMED_CT 300923002high
Cyst of scalp
Source: SNOMED International ICD-10 map
SNOMED_CT 285302001high
Cyst of skin
Source: SNOMED International ICD-10 map
SNOMED_CT 447123001high
Epidermoid cyst of skin of thigh
Source: SNOMED International ICD-10 map
SNOMED_CT 201294000high
Follicular cysts of skin and subcutaneous tissue
Source: SNOMED International ICD-10 map
SNOMED_CT 418323001high
Keratinizing cyst of skin
Source: SNOMED International ICD-10 map
SNOMED_CT 1396067003high
Calcinosis within skin cyst
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
L72.9
Common synonyms
Follicular cyst of the skin and subcutaneous tissue, unspecifiedFollicular cyst 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.