CPT 10120: Removal of Subcutaneous Foreign Body - OpenPayer

Summary & Overview

CPT 10120: Removal of Subcutaneous Foreign Body

CPT code 10120 designates the removal of a foreign body from the lower layer of skin and is commonly used for extracting thorns, wood splinters, glass, or fishhooks embedded in subcutaneous tissue. This code matters nationally because it captures a frequent, low-to-moderate complexity outpatient procedure that impacts coding accuracy, revenue capture, and episode-of-care documentation across ambulatory settings. Key payers included in this review are Aetna, Blue Cross Blue Shield, Cigna Health, United Healthcare, and Medicare. Readers will find a concise clinical context for when 10120 applies, how it relates to adjacent procedural codes for more complex removals or wound repairs, and the typical sites of service where it is billed. The summary also outlines areas of payer coverage variability and common scenarios that drive use of this code versus related surgical or evaluation codes. This publication supplies benchmarks, code relationships, and policy considerations relevant to coding staff, clinical leaders, and revenue cycle teams seeking consistent application of surgical procedure coding for minor soft-tissue foreign body extractions.

AetnaBlue Cross Blue ShieldCigna HealthUnited HealthcareMedicare10120CPTforeign body removalminor surgeryambulatory carewound careprocedure codingoutpatientrevenue cycle

Billing Code Overview

CPT code 10120 describes the clinician-performed removal of a foreign body from the subcutaneous or lower layers of skin, such as a thorn, piece of wood, sliver of glass, or fishhook. The procedure involves locating and extracting the embedded object from beneath the epidermis and dermis.

Service type: Minor surgical procedure for foreign body removal.

Typical site of service: Office, urgent care clinic, or outpatient minor procedure suite where localized, non-complex soft-tissue extraction is performed.

Clinical & Coding Specifications

Clinical Context

A 28-year-old patient presents to an urgent care clinic after stepping on a splintered wooden board while gardening. The patient reports localized pain and minor bleeding at the dorsum of the foot. On exam there is a palpable subcutaneous foreign body with surrounding erythema but no signs of systemic infection. After local anesthesia, the provider palpates and makes a small incision to explore and remove the splinter from the lower layer of skin, irrigates the wound, and applies a sterile dressing. The clinical workflow includes triage and focused history, informed consent for minor procedure, application of local anesthetic, removal of the foreign body from subcutaneous tissue, wound cleansing, tetanus status check and documentation, wound care instructions, and scheduling follow-up if needed. Typical documentation captures the foreign body type, depth (subcutaneous), technique, local anesthetic used, estimated time, complications (if any), and site of service.

Coding Specifications

Modifier	Description	When to Use
`25`	Significant, separately identifiable evaluation and management service by the same physician on the same day of the procedure	Use when a distinct E/M visit is provided in addition to `10120` and properly documented.

Related Codes

S9083-global-fee-urgent-care

HCPCS Level II S9083: Global Fee for Urgent Care Centers

10060

CPT 10060: Incision and Drainage of Simple Abscess

cpt-10061-complicated-incision-and-drainage-abscess

CPT 10061: Complicated Incision and Drainage of Abscess

99213

CPT 99213: Office Visit for Established Patients, Low Complexity

99205

CPT 99205: Office Visit for New Patients, High Complexity

10121

CPT 10121: Complicated Removal of Foreign Body from Subcutaneous Tissue

72170

CPT 72170: Radiologic Examination of Pelvis, 1 or 2 Views

12002

CPT 12002: Simple Repair of Superficial Wounds, 2.6–7.5 cm

12004

CPT 12004: Simple Repair of Superficial Wounds, 7.6-12.5 cm

cpt-72170-pelvic-radiography-one-two-views

CPT 72170: Pelvic Radiography, One or Two Views

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Taxonomy Code	Specialty	Notes
`207XS0117X`	Surgical Critical Care	Specialists may perform or supervise removal of complex subcutaneous foreign bodies in acute trauma settings.
`208600000X`	Surgery Physician	General surgeons perform foreign body removals when escalation beyond primary care is required.
`207Q00000X`	Family Medicine Physician	Family physicians commonly perform minor procedures like subcutaneous foreign body removal in office or urgent care settings.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`T14.8XXA`	Other injury of unspecified body region, initial encounter	Used when the foreign body or injury is not specified to a particular anatomical region and initial encounter documentation is present.
`S00.83XA`	Contusion of other part of head, initial encounter	Relevant when a contusion of the head accompanies a superficial foreign body requiring removal from the scalp or adjacent tissues.
`S40.219A`	Contusion of unspecified shoulder, initial encounter	Relevant when a shoulder contusion coexists with a subcutaneous foreign body in that region.
`S50.20XA`	Contusion of unspecified elbow, initial encounter	Relevant when an elbow contusion accompanies a subcutaneous foreign body in the elbow area.
`S80.10XA`	Contusion of unspecified knee, initial encounter	Relevant when a knee contusion is present with a subcutaneous foreign body in the knee region.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`10121`	Incision and removal of foreign body, subcutaneous tissues; complicated	Used when foreign body removal requires more extensive dissection or is complicated beyond a simple subcutaneous removal coded with `10120`.
`12001`	Simple repair of superficial wounds of scalp, neck, axillae, external genitalia, trunk and/or extremities; 2.5 cm or less	May be performed if a small laceration requires simple closure after foreign body removal.
`11042`	Debridement, subcutaneous tissue (includes epidermis and dermis, if performed); first 20 sq cm or less	Applicable when removal requires debridement of devitalized tissue in addition to foreign body extraction.
`99213`	Established patient office or other outpatient visit, typically 15 minutes	Represents a common E/M level when an established patient is evaluated for foreign body removal and a separate E/M is reported with appropriate documentation (see modifier `25`).