HCPCS Level II A4565: Slings for Limb Support

HCPCS Level II code A4565 describes slings, durable medical equipment used to support and immobilize an injured or post-operative limb; the service type is orthotic support and the typical site of service is outpatient clinics, durable medical equipment suppliers, or home health settings where slings are fitted and provided.

For related coverage guidance, see recent payer policy updates: Salivary Hormone Testing, Parathyroid Hormone, Phosphorus, Calcium, and Magnesium Testing, Bone Turnover Markers Testing.

Customize your policy alerts

Sign up for hcpcs A4565 policy alerts

Get alerted when payer policies referencing A4565 are released or updated.

Monitor payer policy activity

Receive email alerts as soon as relevant payer policies are published or updated.

Explore openpayer tools

View all tools

HCPCS Level II A4565: Slings for Limb Support

For related coverage guidance, see recent payer policy updates: Salivary Hormone Testing, Parathyroid Hormone, Phosphorus, Calcium, and Magnesium Testing, Bone Turnover Markers Testing.

Customize your policy alerts

Sign up for hcpcs A4565 policy alerts

Get alerted when payer policies referencing A4565 are released or updated.

Monitor payer policy activity

Receive email alerts as soon as relevant payer policies are published or updated.

Clinical & Coding Specifications

Clinical Context

A 56-year-old patient presents to an outpatient orthopedic clinic with chronic shoulder pain and instability after a proximal humerus fracture treated nonoperatively. The treating orthopedic clinician determines that the patient would benefit from a supportive arm sling for immobilization during the acute healing phase and for activities of daily living. The clinical workflow includes: initial evaluation and diagnosis, selection of an appropriate sling (off-the-shelf or custom-fitted), measurement and fitting by clinical staff, patient education on wearing schedule and skin checks, documentation of medical necessity linking the diagnosis to the need for a sling, issuance of the device (durable medical equipment), and billing under HCPCS Level II code A4565 with any applicable modifier to reflect laterality, supplier status, or circumstances of the service. Typical sites of service include outpatient orthopedics, physician offices, urgent care clinics, and durable medical equipment supplier locations. Patient follow-up occurs at 1–4 weeks to assess fit, function, and need for continued immobilization or transition to physical therapy.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`99213`	Office or other outpatient visit for the evaluation and management of an established patient, typically 15 minutes	Commonly used for the clinic visit in which the sling is prescribed, measured, and fit
`99214`	Office or other outpatient visit for the evaluation and management of an established patient, typically 25 minutes	Used when the visit includes moderate complexity decision-making related to immobilization and care planning
`29515`	Application of shoulder immobilizer (sling and swathe)	Procedure code for application of a shoulder immobilizer; may be performed in clinic when fitting the sling
`97760`	Orthotic(s) fitting and training, upper extremity, initial encounter	Used when more detailed fitting and patient training for a custom or complex sling is provided

Related Modifiers

5 rows

Modifier	Description	When to Use
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…
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…
78	CPT modifier -78 indicates an unplanned, related return to the operating or procedure room by the same provider during the global postoperative period. It is appended when treatment for a…	- Use modifier -78 when an unplanned, related complication during the original procedure’s global postoperative period requires the patient to return to a formal operating or procedure room and the…
56	Modifier ‑56 indicates the reporting provider furnished only the preoperative management for a surgical procedure and did not perform the intraoperative or postoperative care. It is used in…	- Use Modifier -56 when a provider performs only the preoperative management in a split‑care situation (one physician manages preop care while a different physician performs the intraoperative…
[object Object]

Related Provider Taxonomies

8 rows

Taxonomy Code	Specialty	Notes
207X00000X	Orthopaedic Surgery Physician	An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated…
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…
3336C0002X	Clinic Pharmacy	A pharmacy in a clinic, emergency room or hospital (outpatient) that dispenses medications to patients for self-administration under the supervision o…
207R00000X	Internal Medicine Physician	A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults…
171100000X	Acupuncturist	An acupuncturist is a person who performs ancient therapy for alleviation of pain, anesthesia and treatment of some diseases. Acupuncturists use long,…
224ZR0403X	Driving and Community Mobility Occupational Therapy Assistant	Occupational therapy assistants contribute to the completion of an individualized occupational therapy driving and community mobility evaluation by ad…
2255A2300X	Athletic Trainer	Athletic trainers are allied health care professionals who work in consultation with or under the direction of physicians, and specialize in the preve…
311Z00000X	Custodial Care Facility	A facility providing care that serves to assist an individual in the activities of daily living, such as assistance in walking, getting in and out of …

Related ICD-10-CM Codes

23 rows

ICD-10-CM Code	Description
G56.01	Carpal tunnel syndrome, right upper limb
G56.02	Carpal tunnel syndrome, left upper limb
M19.011	Primary osteoarthritis, right shoulder
M19.012	Primary osteoarthritis, left shoulder
M24.211	Disorder of ligament, right shoulder
M24.212	Disorder of ligament, left shoulder
M24.219	Disorder of ligament, unspecified shoulder
M24.221	Disorder of ligament, right elbow
M24.222	Disorder of ligament, left elbow
M25.511	Pain in right shoulder

Showing 1–10 of 23

Related Payer Policy Updates

Specialty: Endocrinology1 / 3

10 rows

Policy	Payer	Effective Date
Salivary Hormone Testing	Oscar Health	2026-10-01
Parathyroid Hormone, Phosphorus, Calcium, and Magnesium Testing	Oscar Health	2026-10-01
Bone Turnover Markers Testing	Oscar Health	2026-10-01
Testosterone — Coverage Criteria for Measurement and Monitoring	Oscar Health	2026-10-01
Diabetes Mellitus Testing — Coverage Criteria	Oscar Health	2026-10-01
Thyroid Disease Testing	Oscar Health	2026-10-01
Thyroid Disease Testing	blue cross blue shield - louisiana	2026-09-15
Thyroid Disease Testing	Blue Cross Blue Shield - New Mexico	2026-09-04
Parathyroid Hormone, Phosphorous, Calcium and Magnesium Testing	Blue Cross Blue Shield - New Mexico	2026-09-04
Testosterone laboratory testing and management	Premera Bluecross	2026-09-04

Related Codes

HCPCS-A4206-STERILE-SYRINGE-1CC-NEEDLE

HCPCS A4206: Syringe with Needle, 1 cc or Less, Sterile

HCPCS-A4207-STERILE-2CC-SYRINGE-WITH-NEEDLE

HCPCS Level II A4207: Syringe with Needle, Sterile 2 cc

HCPCS-A4208-STERILE-3CC-SYRINGE-WITH-NEEDLE

HCPCS Level II A4208: Syringe with Needle, Sterile 3 cc

HCPCS-A4209-STERILE-SYRINGE-WITH-NEEDLE-5CC-OR-GREATER

HCPCS Level II A4209: Syringe with Needle, Sterile 5 cc or Greater

HCPCS-A4210-NEEDLE-FREE-INJECTION-DEVICE

HCPCS Level II A4210: Needle-free Injection Device, Each

HCPCS-A4211-SUPPLIES-SELF-ADMINISTERED-INJECTIONS

HCPCS Level II A4211: Supplies for Self-Administered Injections

HCPCS-A4212-NON-CORING-NEEDLE-STYLET-CATHETER-ACCESS-SUPPLY

HCPCS Level II A4212: Non-coring Needle or Stylet with/without Catheter

HCPCS-A4213-STERILE-SYRINGE-20CC-OR-GREATER

HCPCS Level II A4213: Syringe, Sterile, 20 cc or Greater, Each

HCPCS-A4215-STERILE-NEEDLE-SINGLE-EACH

HCPCS Level II A4215: Needle, Sterile, Any Size

HCPCS-A4216-STERILE-DILUENT-FLUSH-10ML

HCPCS Level II A4216: Sterile Diluent/Flush, 10 ml

Showing 1–10 of 633

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.

Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.

Explore openpayer tools

View all tools

Clinical & Coding Specifications

Clinical Context

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`99213`	Office or other outpatient visit for the evaluation and management of an established patient, typically 15 minutes	Commonly used for the clinic visit in which the sling is prescribed, measured, and fit
`99214`	Office or other outpatient visit for the evaluation and management of an established patient, typically 25 minutes	Used when the visit includes moderate complexity decision-making related to immobilization and care planning
`29515`	Application of shoulder immobilizer (sling and swathe)	Procedure code for application of a shoulder immobilizer; may be performed in clinic when fitting the sling
`97760`	Orthotic(s) fitting and training, upper extremity, initial encounter	Used when more detailed fitting and patient training for a custom or complex sling is provided

Related Modifiers

5 rows

Modifier	Description	When to Use
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…
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…
78	CPT modifier -78 indicates an unplanned, related return to the operating or procedure room by the same provider during the global postoperative period. It is appended when treatment for a…	- Use modifier -78 when an unplanned, related complication during the original procedure’s global postoperative period requires the patient to return to a formal operating or procedure room and the…
56	Modifier ‑56 indicates the reporting provider furnished only the preoperative management for a surgical procedure and did not perform the intraoperative or postoperative care. It is used in…	- Use Modifier -56 when a provider performs only the preoperative management in a split‑care situation (one physician manages preop care while a different physician performs the intraoperative…
[object Object]

Related Provider Taxonomies

8 rows

Taxonomy Code	Specialty	Notes
207X00000X	Orthopaedic Surgery Physician	An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated…
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…
3336C0002X	Clinic Pharmacy	A pharmacy in a clinic, emergency room or hospital (outpatient) that dispenses medications to patients for self-administration under the supervision o…
207R00000X	Internal Medicine Physician	A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults…
171100000X	Acupuncturist	An acupuncturist is a person who performs ancient therapy for alleviation of pain, anesthesia and treatment of some diseases. Acupuncturists use long,…
224ZR0403X	Driving and Community Mobility Occupational Therapy Assistant	Occupational therapy assistants contribute to the completion of an individualized occupational therapy driving and community mobility evaluation by ad…
2255A2300X	Athletic Trainer	Athletic trainers are allied health care professionals who work in consultation with or under the direction of physicians, and specialize in the preve…
311Z00000X	Custodial Care Facility	A facility providing care that serves to assist an individual in the activities of daily living, such as assistance in walking, getting in and out of …

Related ICD-10-CM Codes

23 rows

ICD-10-CM Code	Description
G56.01	Carpal tunnel syndrome, right upper limb
G56.02	Carpal tunnel syndrome, left upper limb
M19.011	Primary osteoarthritis, right shoulder
M19.012	Primary osteoarthritis, left shoulder
M24.211	Disorder of ligament, right shoulder
M24.212	Disorder of ligament, left shoulder
M24.219	Disorder of ligament, unspecified shoulder
M24.221	Disorder of ligament, right elbow
M24.222	Disorder of ligament, left elbow
M25.511	Pain in right shoulder

Showing 1–10 of 23

Related Payer Policy Updates

Specialty: Endocrinology1 / 3

10 rows

Policy	Payer	Effective Date
Salivary Hormone Testing	Oscar Health	2026-10-01
Parathyroid Hormone, Phosphorus, Calcium, and Magnesium Testing	Oscar Health	2026-10-01
Bone Turnover Markers Testing	Oscar Health	2026-10-01
Testosterone — Coverage Criteria for Measurement and Monitoring	Oscar Health	2026-10-01
Diabetes Mellitus Testing — Coverage Criteria	Oscar Health	2026-10-01
Thyroid Disease Testing	Oscar Health	2026-10-01
Thyroid Disease Testing	blue cross blue shield - louisiana	2026-09-15
Thyroid Disease Testing	Blue Cross Blue Shield - New Mexico	2026-09-04
Parathyroid Hormone, Phosphorous, Calcium and Magnesium Testing	Blue Cross Blue Shield - New Mexico	2026-09-04
Testosterone laboratory testing and management	Premera Bluecross	2026-09-04

Related Codes

HCPCS-A4206-STERILE-SYRINGE-1CC-NEEDLE

HCPCS A4206: Syringe with Needle, 1 cc or Less, Sterile

HCPCS-A4207-STERILE-2CC-SYRINGE-WITH-NEEDLE

HCPCS Level II A4207: Syringe with Needle, Sterile 2 cc

HCPCS-A4208-STERILE-3CC-SYRINGE-WITH-NEEDLE

HCPCS Level II A4208: Syringe with Needle, Sterile 3 cc

HCPCS-A4209-STERILE-SYRINGE-WITH-NEEDLE-5CC-OR-GREATER

HCPCS Level II A4209: Syringe with Needle, Sterile 5 cc or Greater

HCPCS-A4210-NEEDLE-FREE-INJECTION-DEVICE

HCPCS Level II A4210: Needle-free Injection Device, Each

HCPCS-A4211-SUPPLIES-SELF-ADMINISTERED-INJECTIONS

HCPCS Level II A4211: Supplies for Self-Administered Injections

HCPCS-A4212-NON-CORING-NEEDLE-STYLET-CATHETER-ACCESS-SUPPLY

HCPCS Level II A4212: Non-coring Needle or Stylet with/without Catheter

HCPCS-A4213-STERILE-SYRINGE-20CC-OR-GREATER

HCPCS Level II A4213: Syringe, Sterile, 20 cc or Greater, Each

HCPCS-A4215-STERILE-NEEDLE-SINGLE-EACH

HCPCS Level II A4215: Needle, Sterile, Any Size

HCPCS-A4216-STERILE-DILUENT-FLUSH-10ML

HCPCS Level II A4216: Sterile Diluent/Flush, 10 ml

Showing 1–10 of 633

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.

HCPCS Level II A4565: Slings for Limb Support

Sign up for hcpcs A4565 policy alerts

HCPCS Level II A4565: Slings for Limb Support

Sign up for hcpcs A4565 policy alerts

Clinical & Coding Specifications

Clinical Context

Related CPT Codes

Related Modifiers

Related Provider Taxonomies

Related ICD-10-CM Codes

Related Payer Policy Updates

Related Codes

What does HCPCS code A4565 represent and where is it commonly billed?

Which modifiers should be considered when billing A4565?

When is it appropriate to bill A4565 based on the provided clinical context?

What CPT codes are commonly associated with the visit when a sling (A4565) is provided?

Which payers are noted for coverage of A4565 and are there payer-specific documentation notes?

References

Clinical & Coding Specifications

Clinical Context

Related CPT Codes

Related Modifiers

Related Provider Taxonomies

Related ICD-10-CM Codes

Related Payer Policy Updates

Related Codes

What does HCPCS code A4565 represent and where is it commonly billed?

Which modifiers should be considered when billing A4565?

When is it appropriate to bill A4565 based on the provided clinical context?

What CPT codes are commonly associated with the visit when a sling (A4565) is provided?

Which payers are noted for coverage of A4565 and are there payer-specific documentation notes?

References