HCPCS A6552: Below-Knee Gradient Compression Stocking 30-40 mmHg

HCPCS Level II code A6552 describes a single below-knee gradient compression stocking providing 30–40 mmHg compression; the service is a durable medical supply used for compression therapy to manage venous insufficiency, lymphedema, post-thrombotic syndrome, or edema. Service type: durable medical equipment (compression garment). Typical site of service: outpatient clinics, home health, or retail/medical supply settings where compression stockings are dispensed or fitted.

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HCPCS A6552: Below-Knee Gradient Compression Stocking 30-40 mmHg

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Get alerted when payer policies referencing A6552 are released or updated.

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

Clinical & Coding Specifications

Clinical Context

A 62-year-old ambulatory patient with chronic venous insufficiency and symptomatic lower-extremity edema presents to an outpatient durable medical equipment (DME) supplier following evaluation by a primary care physician or vascular specialist. The clinician documents symptoms of leg heaviness, aching, and visible varicosities with exam findings of pitting edema and venous stasis changes. A prescription is written for a single pair of below-knee gradient compression stockings, 30–40 mmHg, for daily wear to reduce edema and improve venous return. The DME supplier verifies the prescription, obtains patient demographics and insurance information, fits the patient for the appropriate size, dispenses one stocking (A6552 billed per each), and provides written patient education on application, wear schedule, and skin checks. Typical sites of service include outpatient DME supplier locations, outpatient clinics, and hospital outpatient departments where fitting and dispensing occur. Follow-up is arranged with the ordering clinician to assess symptom relief and fit, and to document medical necessity for future replacements.

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, low to moderate severity	Typical visit where the clinician documents symptoms, medical necessity, and writes the prescription for `A6552`
`93970`	Duplex scan of lower extremity veins, unilateral or limited	Used to evaluate venous insufficiency or suspected DVT prior to or in conjunction with prescribing compression therapy
`36415`	Collection of venous blood by venipuncture	Performed in clinic when laboratory testing is needed to evaluate contributing conditions (e.g., coagulation studies) before compression therapy in complex cases
`29540`	Application of multi-layer compression system; ankle and leg	Performed by trained clinicians or wound care specialists when more intensive multilayer compression is required instead of standard graduated stockings
`29581`	Unna boot application, below knee	Alternative compression modality for venous stasis ulcers or when stockings are not appropriate

Related Modifiers

5 rows

Modifier	Description	When to Use
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…
55	Modifier –55 indicates the billing provider furnished only postoperative management for a procedure that has a global surgical period. According to AAPC, this modifier is appended to the same CPT…	- Use modifier -55 when billing the same CPT surgical code that has a 10- or 90-day global period and you, as a provider other than the original surgeon, furnished ONLY postoperative management (no…
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…
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Related Provider Taxonomies

8 rows

Taxonomy Code	Specialty	Notes
251B00000X	Case Management Agency	An organization that is responsible for providing case management services. The agency provides services which assist an individual in gaining access…
261QP2300X	Primary Care Clinic/Center	Ambulatory Health Care Facilities · Clinic/Center
207RG0300X	Geriatric Medicine (Internal Medicine) Physician	An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects o…
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…
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…
208C00000X	Colon & Rectal Surgery Physician	A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by m…
207QB0505X	Diabetology (Internal Medicine) Physician	An internist who specializes in diagnosis and management of type 1, type 2, gestational, and atypical diabetes; diabetes complications; hospital manag…
261QD0000X	Dental Clinic/Center	Ambulatory Health Care Facilities · Clinic/Center

Related ICD-10-CM Codes

25 rows

ICD-10-CM Code	Description
E11.51	Type 2 diabetes mellitus with diabetic peripheral angiopathy without gangrene
E11.621	Type 2 diabetes mellitus with foot ulcer
E11.65	Type 2 diabetes mellitus with hyperglycemia
I74.3	Embolism and thrombosis of arteries of the lower extremities
I80.209	Phlebitis and thrombophlebitis of unspecified deep vessels of unspecified lower extremity
I80.213	Phlebitis and thrombophlebitis of iliac vein, bilateral
I83.10	Varicose veins of unspecified lower extremity with inflammation
I83.819	Varicose veins of unspecified lower extremity with pain
I83.90	Asymptomatic varicose veins of unspecified lower extremity
I87.2	Venous insufficiency (chronic) (peripheral)

Showing 1–10 of 25

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
`99213`	Office or other outpatient visit for the evaluation and management of an established patient, low to moderate severity	Typical visit where the clinician documents symptoms, medical necessity, and writes the prescription for `A6552`
`93970`	Duplex scan of lower extremity veins, unilateral or limited	Used to evaluate venous insufficiency or suspected DVT prior to or in conjunction with prescribing compression therapy
`36415`	Collection of venous blood by venipuncture	Performed in clinic when laboratory testing is needed to evaluate contributing conditions (e.g., coagulation studies) before compression therapy in complex cases
`29540`	Application of multi-layer compression system; ankle and leg	Performed by trained clinicians or wound care specialists when more intensive multilayer compression is required instead of standard graduated stockings
`29581`	Unna boot application, below knee	Alternative compression modality for venous stasis ulcers or when stockings are not appropriate

Related Modifiers

5 rows

Modifier	Description	When to Use
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…
55	Modifier –55 indicates the billing provider furnished only postoperative management for a procedure that has a global surgical period. According to AAPC, this modifier is appended to the same CPT…	- Use modifier -55 when billing the same CPT surgical code that has a 10- or 90-day global period and you, as a provider other than the original surgeon, furnished ONLY postoperative management (no…
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…
[object Object]

Related Provider Taxonomies

8 rows

Taxonomy Code	Specialty	Notes
251B00000X	Case Management Agency	An organization that is responsible for providing case management services. The agency provides services which assist an individual in gaining access…
261QP2300X	Primary Care Clinic/Center	Ambulatory Health Care Facilities · Clinic/Center
207RG0300X	Geriatric Medicine (Internal Medicine) Physician	An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects o…
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…
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…
208C00000X	Colon & Rectal Surgery Physician	A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by m…
207QB0505X	Diabetology (Internal Medicine) Physician	An internist who specializes in diagnosis and management of type 1, type 2, gestational, and atypical diabetes; diabetes complications; hospital manag…
261QD0000X	Dental Clinic/Center	Ambulatory Health Care Facilities · Clinic/Center

Related ICD-10-CM Codes

25 rows

ICD-10-CM Code	Description
E11.51	Type 2 diabetes mellitus with diabetic peripheral angiopathy without gangrene
E11.621	Type 2 diabetes mellitus with foot ulcer
E11.65	Type 2 diabetes mellitus with hyperglycemia
I74.3	Embolism and thrombosis of arteries of the lower extremities
I80.209	Phlebitis and thrombophlebitis of unspecified deep vessels of unspecified lower extremity
I80.213	Phlebitis and thrombophlebitis of iliac vein, bilateral
I83.10	Varicose veins of unspecified lower extremity with inflammation
I83.819	Varicose veins of unspecified lower extremity with pain
I83.90	Asymptomatic varicose veins of unspecified lower extremity
I87.2	Venous insufficiency (chronic) (peripheral)

Showing 1–10 of 25

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 A6552: Below-Knee Gradient Compression Stocking 30-40 mmHg

Sign up for hcpcs A6552 policy alerts

HCPCS A6552: Below-Knee Gradient Compression Stocking 30-40 mmHg

Sign up for hcpcs A6552 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 A6552 represent and where is it typically supplied?

For which clinical conditions is A6552 typically used?

Which modifiers are applicable when billing A6552?

What related CPT codes should I expect to see paired with A6552 on a patient record?

Which payers commonly cover A6552 and does the page provide reimbursement rates?

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 A6552 represent and where is it typically supplied?

For which clinical conditions is A6552 typically used?

Which modifiers are applicable when billing A6552?

What related CPT codes should I expect to see paired with A6552 on a patient record?

Which payers commonly cover A6552 and does the page provide reimbursement rates?

References