ICD10BillableValid for clinical use

ICD-10 Code L72.9: Follicular cyst of the skin and subcutaneous tissue, unspecified

L72.9 is a billable ICD-10 diagnosis code used to classify Follicular cyst of the skin and subcutaneous tissue, unspecified in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. 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).

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

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

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

Code details

CodeL72.9
SystemICD10
Display nameFollicular cyst of the skin and subcutaneous tissue, unspecified
ChapterDiseases of the skin and subcutaneous tissue (L00-L99)
BlockDisorders of skin appendages

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Cyst(colloid) (mucous) (simple) (retention)Cyst(colloid) (mucous) (simple) (retention)Cyst(colloid) (mucous) (simple) (retention)Cyst(colloid) (mucous) (simple) (retention)

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.

ICD-10 Code L72.9 for Follicular cyst of the skin and subcutaneous tissue, unspecified | HealthAssure