HCPCS Level II A4616: Oxygen Tubing, Per Foot

HCPCS Level II code A4616 describes oxygen tubing sold or provided by the foot, a durable medical equipment supply used to deliver supplemental oxygen; the service is the supply of oxygen tubing and the typical site of service is outpatient or home oxygen therapy settings where tubing is attached to concentrators or portable oxygen systems.

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

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HCPCS Level II A4616: Oxygen Tubing, Per Foot

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 A4616 policy alerts

Get alerted when payer policies referencing A4616 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 home oxygen therapy patient with chronic hypoxemia requires replacement or extension of low-flow oxygen supply tubing. A typical scenario involves an adult with chronic obstructive pulmonary disease (COPD) or interstitial lung disease receiving durable medical equipment (DME) services from a home health company or DME supplier. The respiratory therapist or DME technician measures the distance from the oxygen concentrator or cylinder to the patient interface (nasal cannula or mask), cuts and supplies the required length of oxygen tubing billed per foot as A4616. Documentation includes the prescription for oxygen, liter flow rate, the measured length in feet, delivery/installation notes, and patient education on tubing use and safety. Typical site of service is the patient’s residence; occasional supply in an outpatient DME retail setting or hospital discharge planning is appropriate. Billing uses the unit of measure “per foot,” and the supplier documents number of feet provided, date of service, and linkage to the oxygen delivery order.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`94640`	Pressurized or non-pressurized inhalation treatment for acute airway obstruction or for sputum induction for diagnostic purposes (e.g., with nebulizer)	Often performed in pulmonary clinics alongside oxygen equipment checks; nebulizer treatments may use the same oxygen source and tubing setup.
`94664`	Demonstration and/or evaluation of patient utilization of an aerosol generator, nebulizer, metered dose inhaler or IPPB device	Patient education and device demonstration frequently accompany oxygen equipment delivery and tubing instruction.
`99070`	Supplies and materials (except spectacles), provided by the physician over and above those usually included with the office visit or procedure	Used when additional non-DME supplies are provided during a clinic visit, such as extra tubing segments not billed through DME channels.
`94002`	Ventilation assist and management, initiation of pressure or volume preset ventilators for assisted or controlled ventilation, hospital inpatient/observation or partial hospitalization (first day)	Applicable when transitioning patients from supplemental oxygen to ventilatory support where tubing and oxygen connections are adjusted as part of the workflow.
`99000`	Handling and/or conveyance of specimens for transfer from the office to a laboratory	Occasionally used by suppliers when returning faulty tubing to a manufacturer or lab for analysis; rarely applicable but included as related administrative code.

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…
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…
62	Modifier 62 indicates that two surgeons function as co‑surgeons, each performing distinct parts of the same primary surgical procedure. It is appended to the primary procedure code (and any…	- Use modifier -62 when two surgeons act as co‑surgeons (both primary surgeons) on a single definitive primary procedure, each performing distinct parts of the same surgical procedure (append -62 to…
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…
80	CPT® Modifier 80 (Assistant Surgeon) is appended to a surgical CPT code when a physician (MD or DO) provides full, continuous assistance throughout the operative procedure. It is intended only for…	- Use CPT Modifier -80 when a physician (MD or DO) serves as an assistant surgeon and provides full, continuous assistance throughout the entire operative procedure; append -80 to the surgical CPT…

Related Provider Taxonomies

8 rows

Taxonomy Code	Specialty	Notes
207RH0000X	Hematology (Internal Medicine) Physician	An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, cl…
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…
261QP2300X	Primary Care Clinic/Center	Ambulatory Health Care Facilities · Clinic/Center
364S00000X	Clinical Nurse Specialist	A registered nurse who, through a graduate degree program in nursing, or through a formal post-basic education program or continuing education courses…
207RP1001X	Pulmonary Disease Physician	An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational an…
2471C3401X	Computed Tomography Radiologic Technologist	A radiologic technologist who specializes in computed tomography (CT) and is appropriately educated and trained, consistent with nationally recognized…
102L00000X	Psychoanalyst	Psychoanalysis is a comprehensive, theoretical framework which, when applied to a treatment process, consists of an intensive verbal, therapeutic rela…
302R00000X	Health Maintenance Organization	(1) A form of health insurance in which its members prepay a premium for the HMO's health services which generally include inpatient and ambulatory ca…

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
Thyroid Disease Testing	Oscar Health	2026-10-01
Diabetes Mellitus Testing — Coverage Criteria	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 measurement (coverage criteria)	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.

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Clinical & Coding Specifications

Clinical Context

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`94640`	Pressurized or non-pressurized inhalation treatment for acute airway obstruction or for sputum induction for diagnostic purposes (e.g., with nebulizer)	Often performed in pulmonary clinics alongside oxygen equipment checks; nebulizer treatments may use the same oxygen source and tubing setup.
`94664`	Demonstration and/or evaluation of patient utilization of an aerosol generator, nebulizer, metered dose inhaler or IPPB device	Patient education and device demonstration frequently accompany oxygen equipment delivery and tubing instruction.
`99070`	Supplies and materials (except spectacles), provided by the physician over and above those usually included with the office visit or procedure	Used when additional non-DME supplies are provided during a clinic visit, such as extra tubing segments not billed through DME channels.
`94002`	Ventilation assist and management, initiation of pressure or volume preset ventilators for assisted or controlled ventilation, hospital inpatient/observation or partial hospitalization (first day)	Applicable when transitioning patients from supplemental oxygen to ventilatory support where tubing and oxygen connections are adjusted as part of the workflow.
`99000`	Handling and/or conveyance of specimens for transfer from the office to a laboratory	Occasionally used by suppliers when returning faulty tubing to a manufacturer or lab for analysis; rarely applicable but included as related administrative code.

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…
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…
62	Modifier 62 indicates that two surgeons function as co‑surgeons, each performing distinct parts of the same primary surgical procedure. It is appended to the primary procedure code (and any…	- Use modifier -62 when two surgeons act as co‑surgeons (both primary surgeons) on a single definitive primary procedure, each performing distinct parts of the same surgical procedure (append -62 to…
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…
80	CPT® Modifier 80 (Assistant Surgeon) is appended to a surgical CPT code when a physician (MD or DO) provides full, continuous assistance throughout the operative procedure. It is intended only for…	- Use CPT Modifier -80 when a physician (MD or DO) serves as an assistant surgeon and provides full, continuous assistance throughout the entire operative procedure; append -80 to the surgical CPT…

Related Provider Taxonomies

8 rows

Taxonomy Code	Specialty	Notes
207RH0000X	Hematology (Internal Medicine) Physician	An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, cl…
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…
261QP2300X	Primary Care Clinic/Center	Ambulatory Health Care Facilities · Clinic/Center
364S00000X	Clinical Nurse Specialist	A registered nurse who, through a graduate degree program in nursing, or through a formal post-basic education program or continuing education courses…
207RP1001X	Pulmonary Disease Physician	An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational an…
2471C3401X	Computed Tomography Radiologic Technologist	A radiologic technologist who specializes in computed tomography (CT) and is appropriately educated and trained, consistent with nationally recognized…
102L00000X	Psychoanalyst	Psychoanalysis is a comprehensive, theoretical framework which, when applied to a treatment process, consists of an intensive verbal, therapeutic rela…
302R00000X	Health Maintenance Organization	(1) A form of health insurance in which its members prepay a premium for the HMO's health services which generally include inpatient and ambulatory ca…

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
Thyroid Disease Testing	Oscar Health	2026-10-01
Diabetes Mellitus Testing — Coverage Criteria	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 measurement (coverage criteria)	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 A4616: Oxygen Tubing, Per Foot

Sign up for hcpcs A4616 policy alerts

HCPCS Level II A4616: Oxygen Tubing, Per Foot

Sign up for hcpcs A4616 policy alerts

Clinical & Coding Specifications

Clinical Context

Related CPT Codes

Related Modifiers

Related Provider Taxonomies

Related Payer Policy Updates

Related Codes

What does HCPCS code A4616 represent and where is it typically used?

Which HCPCS modifiers apply to A4616 and when should they be used?

What clinical situations and diagnoses commonly justify billing A4616?

What other procedure or supply codes are commonly associated with A4616 on claims?

Which payers are included in the analysis and what payer-related considerations are highlighted for A4616?

References

Clinical & Coding Specifications

Clinical Context

Related CPT Codes

Related Modifiers

Related Provider Taxonomies

Related Payer Policy Updates

Related Codes

What does HCPCS code A4616 represent and where is it typically used?

Which HCPCS modifiers apply to A4616 and when should they be used?

What clinical situations and diagnoses commonly justify billing A4616?

What other procedure or supply codes are commonly associated with A4616 on claims?

Which payers are included in the analysis and what payer-related considerations are highlighted for A4616?

References