HCPCS Level II A4283: Cap for Breast Pump Bottle, Replacement

HCPCS Level II code A4283 describes a replacement cap for a breast pump bottle, a durable medical equipment accessory used with breast pump systems; the service type is replacement accessory and the typical site of service is home or outpatient lactation/breastfeeding support settings.

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HCPCS Level II A4283: Cap for Breast Pump Bottle, Replacement

Customize your policy alerts

Sign up for hcpcs A4283 policy alerts

Get alerted when payer policies referencing A4283 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 lactating parent presents to an outpatient durable medical equipment (DME) supplier or a hospital outpatient lactation clinic requesting a replacement cap for a breast pump bottle. The patient reports routine use of an electric breast pump and that one of the bottle caps was lost or damaged during cleaning. The clinical workflow begins with confirmation of the original breast pump make/model and that the pump and accessory are medically necessary for milk expression. A supplier documents the patient’s identity, payer information (for example, Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, BUCA, Medicare), and the serial/model number of the pump if required. The supplier verifies coverage, determines if a replacement part is covered under warranty or by insurance, obtains any required prior authorization, dispenses the replacement cap (A4283), records the item’s HCPCS code and modifier if needed, and provides instruction on cleaning and proper use. Typical site of service is a DME supplier retail location, hospital outpatient lactation clinic, or home delivery by the supplier.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`99401`	Preventive medicine counseling and/or risk factor reduction intervention(s); approximately 15 minutes	Counseling on breastfeeding technique and pump use may be billed when counseling is provided during a visit accompanying supply provision.
`99402`	Preventive medicine counseling and/or risk factor reduction intervention(s); approximately 30 minutes	Longer lactation counseling sessions that include education on pump operation and maintenance alongside dispensing the replacement cap.
`99070`	Supplies and materials (except spectacles), provided by the physician over and above those usually included with the office visit	Use when documenting supply-related charges in an office setting, though billing practices vary and DME supplier billing typically uses HCPCS `A4283`.
`92342`	Therapeutic services, adjusting prosthetic/orthotic device, initial	Occasionally used for fitting and adjustment services for breast pump components in complex cases; not common for a bottle cap.
`99000`	Handling and/or conveyance of specimen for transfer from facility to outside lab	Rarely relevant; included to represent ancillary handling services that may accompany supply delivery.

Related Modifiers

5 rows

Modifier	Description	When to Use
26	Modifier 26 (Professional Component) identifies and bills only the professional portion of a split service — the physician’s interpretation, report, and medical judgment — when the technical…	- Use CPT Modifier -26 when you are billing only the professional component (PC) of a split‑bill eligible service—i.e., you performed the physician interpretation, medical judgment and prepared 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…
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…
54	Modifier ‑54 (“Surgical care only”) is appended to a CPT surgical procedure when the reporting surgeon performs the intraoperative (surgical) component but does not furnish the preoperative and/or…	- Use modifier -54 when the reporting surgeon provided only the intraoperative (surgical) component of a procedure and preoperative and/or postoperative management has been or will be provided by…

Related Provider Taxonomies

8 rows

Taxonomy Code	Specialty	Notes
251S00000X	Community/Behavioral Health Agency	A private or public agency usually under local government jurisdiction, responsible for assuring the delivery of community based mental health, intell…
207Q00000X	Family Medicine Physician	Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadt…
208D00000X	General Practice Physician	A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.
163W00000X	Registered Nurse	(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive…
235Z00000X	Speech-Language Pathologist	The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in…
335E00000X	Prosthetic/Orthotic Supplier	An organization that provides prosthetic and orthotic care which may include, but is not limited to, patient evaluation, prosthesis or orthosis design…
163WW0101X	Ambulatory Women's Health Care Registered Nurse	Nursing Service Providers · Registered Nurse
231H00000X	Audiologist	(1) A specialist in evaluation, habilitation and rehabilitation of those whose communication disorders center in whole or in part in hearing function.…

Related ICD-10-CM Codes

24 rows

ICD-10-CM Code	Description
E66.9	Obesity, unspecified
F43.21	Adjustment disorder with depressed mood
F51.01	Primary insomnia
N39.0	Urinary tract infection, site not specified
N64.4	Mastodynia
N76.0	Acute vaginitis
N76.1	Subacute and chronic vaginitis
O24.419	Gestational diabetes mellitus in pregnancy, unspecified control
O91.12	Abscess of breast associated with the puerperium
O92.4	Hypogalactia

Showing 1–10 of 24

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.

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Clinical & Coding Specifications

Clinical Context

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`99401`	Preventive medicine counseling and/or risk factor reduction intervention(s); approximately 15 minutes	Counseling on breastfeeding technique and pump use may be billed when counseling is provided during a visit accompanying supply provision.
`99402`	Preventive medicine counseling and/or risk factor reduction intervention(s); approximately 30 minutes	Longer lactation counseling sessions that include education on pump operation and maintenance alongside dispensing the replacement cap.
`99070`	Supplies and materials (except spectacles), provided by the physician over and above those usually included with the office visit	Use when documenting supply-related charges in an office setting, though billing practices vary and DME supplier billing typically uses HCPCS `A4283`.
`92342`	Therapeutic services, adjusting prosthetic/orthotic device, initial	Occasionally used for fitting and adjustment services for breast pump components in complex cases; not common for a bottle cap.
`99000`	Handling and/or conveyance of specimen for transfer from facility to outside lab	Rarely relevant; included to represent ancillary handling services that may accompany supply delivery.

Related Modifiers

5 rows

Modifier	Description	When to Use
26	Modifier 26 (Professional Component) identifies and bills only the professional portion of a split service — the physician’s interpretation, report, and medical judgment — when the technical…	- Use CPT Modifier -26 when you are billing only the professional component (PC) of a split‑bill eligible service—i.e., you performed the physician interpretation, medical judgment and prepared 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…
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…
54	Modifier ‑54 (“Surgical care only”) is appended to a CPT surgical procedure when the reporting surgeon performs the intraoperative (surgical) component but does not furnish the preoperative and/or…	- Use modifier -54 when the reporting surgeon provided only the intraoperative (surgical) component of a procedure and preoperative and/or postoperative management has been or will be provided by…

Related Provider Taxonomies

8 rows

Taxonomy Code	Specialty	Notes
251S00000X	Community/Behavioral Health Agency	A private or public agency usually under local government jurisdiction, responsible for assuring the delivery of community based mental health, intell…
207Q00000X	Family Medicine Physician	Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadt…
208D00000X	General Practice Physician	A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.
163W00000X	Registered Nurse	(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive…
235Z00000X	Speech-Language Pathologist	The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in…
335E00000X	Prosthetic/Orthotic Supplier	An organization that provides prosthetic and orthotic care which may include, but is not limited to, patient evaluation, prosthesis or orthosis design…
163WW0101X	Ambulatory Women's Health Care Registered Nurse	Nursing Service Providers · Registered Nurse
231H00000X	Audiologist	(1) A specialist in evaluation, habilitation and rehabilitation of those whose communication disorders center in whole or in part in hearing function.…

Related ICD-10-CM Codes

24 rows

ICD-10-CM Code	Description
E66.9	Obesity, unspecified
F43.21	Adjustment disorder with depressed mood
F51.01	Primary insomnia
N39.0	Urinary tract infection, site not specified
N64.4	Mastodynia
N76.0	Acute vaginitis
N76.1	Subacute and chronic vaginitis
O24.419	Gestational diabetes mellitus in pregnancy, unspecified control
O91.12	Abscess of breast associated with the puerperium
O92.4	Hypogalactia

Showing 1–10 of 24

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 A4283: Cap for Breast Pump Bottle, Replacement

Sign up for hcpcs A4283 policy alerts

HCPCS Level II A4283: Cap for Breast Pump Bottle, Replacement

Sign up for hcpcs A4283 policy alerts

Clinical & Coding Specifications

Clinical Context

Related CPT Codes

Related Modifiers

Related Provider Taxonomies

Related ICD-10-CM Codes

Related Codes

What does HCPCS code A4283 represent and where is it typically provided?

What documentation and workflow steps are described when dispensing A4283?

Which modifiers might be used with A4283 and when would they apply?

What ICD-10 diagnosis codes are associated with clinical scenarios that could accompany billing for A4283?

How do related CPT codes interact with billing for A4283?

References

Clinical & Coding Specifications

Clinical Context

Related CPT Codes

Related Modifiers

Related Provider Taxonomies

Related ICD-10-CM Codes

Related Codes

What does HCPCS code A4283 represent and where is it typically provided?

What documentation and workflow steps are described when dispensing A4283?

Which modifiers might be used with A4283 and when would they apply?

What ICD-10 diagnosis codes are associated with clinical scenarios that could accompany billing for A4283?

How do related CPT codes interact with billing for A4283?

References