HCPCS Level II L3933: Finger Orthosis, Custom Fabricated

HCPCS Level II code L3933 describes a custom-fabricated finger orthosis without joints that may include a soft interface and includes fitting and adjustment; the service is custom orthotic fabrication typically provided in outpatient clinics, prosthetics/orthotics facilities, or hand therapy settings where a certified orthotist or hand therapist performs measurements, molding, and device customization for finger support and protection.

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HCPCS Level II L3933: Finger Orthosis, Custom Fabricated

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Clinical & Coding Specifications

Clinical Context

A 45-year-old right-handed piano teacher presents to an orthotics clinic with persistent pain and reduced range of motion of the right index finger following a zone II flexor tendon repair performed 6 weeks ago. The hand therapist assesses edema, wound healing appropriate, and early tendon glide deficits with pain on function. The provider prescribes a custom-fabricated, jointless finger orthosis to support the digit, protect the repair, and provide a soft interface to improve comfort during activities and rehabilitation.

The clinical workflow includes: referral from the surgeon or hand therapist; measurement and casting or digital capture of the finger; fabrication of the custom orthosis with molding and addition of soft interfaces as needed; delivery visit for fitting, patient education, and adjustment; and follow-up visits for refitting and progressive weaning of the device. Documentation includes the order, diagnosis, objective findings (ROM, edema, wound status), fabrication details, fitting/adjustment notes, and functional goals. Billing uses HCPCS Level II code L3933 for the custom-fabricated, jointless finger orthosis, with modifier(s) appended as appropriate for laterality or other payor-specific circumstances.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`97035`	Ultrasound therapy, each 15 minutes	May be used before or during rehabilitation visits to address tendon healing and pain in patients receiving a finger orthosis
`97110`	Therapeutic exercises to develop strength and endurance, each 15 minutes	Performed by therapists during follow-up visits to improve digit range of motion while the orthosis protects repairs
`97140`	Manual therapy techniques (e.g., mobilization), each 15 minutes	Used to address soft tissue restrictions and joint mobility in conjunction with orthosis use
`97760`	Orthotic management and training, upper extremity, initial encounter	Often billed by therapists to document training, donning/doffing, and patient education related to the custom finger orthosis
`99070`	Supplies and materials, non-covered items, used during patient care	May be used to bill for additional non-covered custom materials when permitted by payor policies

Related Modifiers

5 rows

Modifier	Description	When to Use
59	Modifier 59 indicates a distinct procedural service when two procedures that are not normally billed together are clinically and procedurally separate. The CPT definition (as reiterated by CMS)…	- Use modifier -59 to report a distinct procedural service when documentation supports that the procedure reported is not normally billed together with another service on the same day because of a…
52	Modifier ‑52 (Reduced Services) indicates that a service or procedure was partially reduced or omitted at the provider’s discretion, allowing reporting of the basic procedure number with a qualifier…	- Use modifier -52 when a physician or qualified health professional electively reduces or omits part of a procedure or service (for example, performing fewer required views or omitting a portion of…
53	Modifier 53 (Discontinued Procedure) signals that a surgical or diagnostic service was begun by the physician but terminated because of extenuating circumstances that threatened the patient’s…	- Use modifier -53 when a physician/qualified healthcare professional has started a surgical or diagnostic procedure (e.g., anesthesia administered, incision or scope insertion) and then discontinues…
76	Modifier -76, Repeat Procedure or Service by Same Physician or Other Qualified Health Care Professional, is appended when the same provider performs an identical, medically necessary procedure or…	- Use modifier -76 when the same physician or other qualified health care professional performs an identical procedure or service a second (or subsequent) time on the same date of service and the…
22	Modifier –22 (Increased Procedural Services) is used when a reported procedure is substantially more extensive than normally required. The CPT Manual and CMS state it may be appended only when the…	- When to use: Append modifier -22 to a procedural CPT code when the service performed is substantially more extensive than the usual service described by that code — i.e., the procedure required…

Related Provider Taxonomies

8 rows

Taxonomy Code	Specialty	Notes
207K00000X	Allergy & Immunology Physician	An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Select…
207L00000X	Anesthesiology Physician	An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an opera…
207P00000X	Emergency Medicine Physician	An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospit…
207PE0004X	Emergency Medical Services (Emergency Medicine) Physician	An emergency medicine physician who specializes in non-hospital based emergency medical services (e.g., disaster site, accident scene, transport vehic…
133N00000X	Nutritionist	A specialist in adapting and applying food and nutrient knowledge to the solution of food and nutritional problems, the control of disease, and the pr…
207LP3000X	Pediatric Anesthesiology Physician	An anesthesiologist who has had additional skill and experience in and is primarily concerned with the anesthesia, sedation, and pain management needs…
322D00000X	Emotionally Disturbed Childrens' Residential Treatment Facility	A residential facility that provides habilitation services and other care and treatment to children diagnosed with mental health illness, behavioral i…
172V00000X	Community Health Worker	Community health workers (CHW) are lay members of communities who work either for pay or as volunteers in association with the local health care syste…

HCPCS L0112: Cranial Cervical Orthosis, Congenital Torticollis Type

HCPCS-L0113-CRANIAL-CERVICAL-ORTHOSIS-TORTICOLLIS

HCPCS Level II L0113: Prefabricated Cranial Cervical Orthosis for Torticollis

HCPCS-L0130-CERVICAL-FLEXIBLE-THERMOPLASTIC-COLLAR-MOLDED-TO-PATIENT

HCPCS Level II L0130: Cervical Flexible Thermoplastic Collar, Molded to Patient

HCPCS-L0140-CERVICAL-SEMI-RIGID-ADJUSTABLE-PLASTIC-COLLAR

HCPCS Level II L0140: Cervical Semi-Rigid Adjustable Plastic Collar

HCPCS-L0150-CERVICAL-SEMI-RIGID-ADJUSTABLE-CHIN-CUP

HCPCS Level II L0150: Cervical Semi-Rigid Adjustable Chin Cup

HCPCS-L0160-CERVICAL-SEMI-RIGID-OCCIPITAL-MANDIBULAR-SUPPORT

HCPCS Level II L0160: Cervical Semi-Rigid Occipital/Mandibular Support

HCPCS-L0170-CERVICAL-COLLAR-MOLDED-TO-PATIENT-MODEL

HCPCS Level II L0170: Cervical Collar, Custom-Molded

HCPCS-L0172-CERVICAL-COLLAR-SEMI-RIGID-THERMOPLASTIC-FOAM

HCPCS L0172: Cervical Collar, Semi-Rigid Prefabricated

HCPCS-L0174-CERVICAL-COLLAR-SEMI-RIGID-THORACIC-EXTENSION

HCPCS L0174: Cervical Collar, Semi-Rigid Thermoplastic with Thoracic Extension

HCPCS-L0180-CERVICAL-MULTIPLE-POST-COLLAR-OCCIPITAL-MANDIBULAR-ADJUSTABLE

HCPCS Level II L0180: Cervical Orthosis with Occipital/Mandibular Supports

Showing 1–10 of 466

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

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Clinical & Coding Specifications

Clinical Context

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`97035`	Ultrasound therapy, each 15 minutes	May be used before or during rehabilitation visits to address tendon healing and pain in patients receiving a finger orthosis
`97110`	Therapeutic exercises to develop strength and endurance, each 15 minutes	Performed by therapists during follow-up visits to improve digit range of motion while the orthosis protects repairs
`97140`	Manual therapy techniques (e.g., mobilization), each 15 minutes	Used to address soft tissue restrictions and joint mobility in conjunction with orthosis use
`97760`	Orthotic management and training, upper extremity, initial encounter	Often billed by therapists to document training, donning/doffing, and patient education related to the custom finger orthosis
`99070`	Supplies and materials, non-covered items, used during patient care	May be used to bill for additional non-covered custom materials when permitted by payor policies

Related Modifiers

5 rows

Modifier	Description	When to Use
59	Modifier 59 indicates a distinct procedural service when two procedures that are not normally billed together are clinically and procedurally separate. The CPT definition (as reiterated by CMS)…	- Use modifier -59 to report a distinct procedural service when documentation supports that the procedure reported is not normally billed together with another service on the same day because of a…
52	Modifier ‑52 (Reduced Services) indicates that a service or procedure was partially reduced or omitted at the provider’s discretion, allowing reporting of the basic procedure number with a qualifier…	- Use modifier -52 when a physician or qualified health professional electively reduces or omits part of a procedure or service (for example, performing fewer required views or omitting a portion of…
53	Modifier 53 (Discontinued Procedure) signals that a surgical or diagnostic service was begun by the physician but terminated because of extenuating circumstances that threatened the patient’s…	- Use modifier -53 when a physician/qualified healthcare professional has started a surgical or diagnostic procedure (e.g., anesthesia administered, incision or scope insertion) and then discontinues…
76	Modifier -76, Repeat Procedure or Service by Same Physician or Other Qualified Health Care Professional, is appended when the same provider performs an identical, medically necessary procedure or…	- Use modifier -76 when the same physician or other qualified health care professional performs an identical procedure or service a second (or subsequent) time on the same date of service and the…
22	Modifier –22 (Increased Procedural Services) is used when a reported procedure is substantially more extensive than normally required. The CPT Manual and CMS state it may be appended only when the…	- When to use: Append modifier -22 to a procedural CPT code when the service performed is substantially more extensive than the usual service described by that code — i.e., the procedure required…

Related Provider Taxonomies

8 rows

Taxonomy Code	Specialty	Notes
207K00000X	Allergy & Immunology Physician	An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Select…
207L00000X	Anesthesiology Physician	An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an opera…
207P00000X	Emergency Medicine Physician	An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospit…
207PE0004X	Emergency Medical Services (Emergency Medicine) Physician	An emergency medicine physician who specializes in non-hospital based emergency medical services (e.g., disaster site, accident scene, transport vehic…
133N00000X	Nutritionist	A specialist in adapting and applying food and nutrient knowledge to the solution of food and nutritional problems, the control of disease, and the pr…
207LP3000X	Pediatric Anesthesiology Physician	An anesthesiologist who has had additional skill and experience in and is primarily concerned with the anesthesia, sedation, and pain management needs…
322D00000X	Emotionally Disturbed Childrens' Residential Treatment Facility	A residential facility that provides habilitation services and other care and treatment to children diagnosed with mental health illness, behavioral i…
172V00000X	Community Health Worker	Community health workers (CHW) are lay members of communities who work either for pay or as volunteers in association with the local health care syste…

HCPCS L0112: Cranial Cervical Orthosis, Congenital Torticollis Type

HCPCS-L0113-CRANIAL-CERVICAL-ORTHOSIS-TORTICOLLIS

HCPCS Level II L0113: Prefabricated Cranial Cervical Orthosis for Torticollis

HCPCS-L0130-CERVICAL-FLEXIBLE-THERMOPLASTIC-COLLAR-MOLDED-TO-PATIENT

HCPCS Level II L0130: Cervical Flexible Thermoplastic Collar, Molded to Patient

HCPCS-L0140-CERVICAL-SEMI-RIGID-ADJUSTABLE-PLASTIC-COLLAR

HCPCS Level II L0140: Cervical Semi-Rigid Adjustable Plastic Collar

HCPCS-L0150-CERVICAL-SEMI-RIGID-ADJUSTABLE-CHIN-CUP

HCPCS Level II L0150: Cervical Semi-Rigid Adjustable Chin Cup

HCPCS-L0160-CERVICAL-SEMI-RIGID-OCCIPITAL-MANDIBULAR-SUPPORT

HCPCS Level II L0160: Cervical Semi-Rigid Occipital/Mandibular Support

HCPCS-L0170-CERVICAL-COLLAR-MOLDED-TO-PATIENT-MODEL

HCPCS Level II L0170: Cervical Collar, Custom-Molded

HCPCS-L0172-CERVICAL-COLLAR-SEMI-RIGID-THERMOPLASTIC-FOAM

HCPCS L0172: Cervical Collar, Semi-Rigid Prefabricated

HCPCS-L0174-CERVICAL-COLLAR-SEMI-RIGID-THORACIC-EXTENSION

HCPCS L0174: Cervical Collar, Semi-Rigid Thermoplastic with Thoracic Extension

HCPCS-L0180-CERVICAL-MULTIPLE-POST-COLLAR-OCCIPITAL-MANDIBULAR-ADJUSTABLE

HCPCS Level II L0180: Cervical Orthosis with Occipital/Mandibular Supports

Showing 1–10 of 466

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

OpenPayer

HCPCS Level II L3933: Finger Orthosis, Custom Fabricated

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OpenPayer

HCPCS Level II L3933: Finger Orthosis, Custom Fabricated

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Clinical & Coding Specifications

Clinical Context

Related CPT Codes

Related Modifiers

Related Provider Taxonomies

Related Codes

References

Clinical & Coding Specifications

Clinical Context

Related CPT Codes

Related Modifiers

Related Provider Taxonomies

Related Codes

References

HCPCS Level II L3933: Finger Orthosis, Custom Fabricated

Sign up for hcpcs L3933 policy alerts

HCPCS Level II L3933: Finger Orthosis, Custom Fabricated

Sign up for hcpcs L3933 policy alerts

Clinical & Coding Specifications

Clinical Context

Related CPT Codes

Related Modifiers

Related Provider Taxonomies

Related Codes

When should I use HCPCS code L3933?

What documentation is required to support billing L3933?

Which other procedure codes commonly appear with L3933?

What diagnoses or scenarios are appropriate for a custom jointless finger orthosis billed with L3933?

Where is L3933 typically provided and which payers are listed as covering it?

References

Clinical & Coding Specifications

Clinical Context

Related CPT Codes

Related Modifiers

Related Provider Taxonomies

Related Codes

When should I use HCPCS code L3933?

What documentation is required to support billing L3933?

Which other procedure codes commonly appear with L3933?

What diagnoses or scenarios are appropriate for a custom jointless finger orthosis billed with L3933?

Where is L3933 typically provided and which payers are listed as covering it?

References