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HCPCS A4630 · Level II · A code

A4630: Replacement batteries, medically necessary, transcutaneous electrical stimulator, HCPCS Level II A code

Compiled from CMS files by the QuickIntell RCM Editorial Team · Data effective · Method: reference methodology · Report a data correction

Data currency: HCPCS Level II file: October 2026 (effective October 1, 2026); PFS relative value file: RVU26D, released August 26, 2026 (effective October 1, 2026); DMEPOS fee schedule: DME26-D (October 2026) (effective October 1, 2026); NCCI MUE tables: 2026 Q4 (effective October 1, 2026); NCCI PTP edits: v323r0 (2026 Q4) (effective October 1, 2026); OPPS Addendum B: October 2026 (effective October 1, 2026). Next CMS release: January 1, 2027 (quarterly update) for the HCPCS Level II file and DMEPOS fee schedule and NCCI MUE tables and NCCI PTP edits and OPPS Addendum B; RVU27A with the CY2027 PFS final rule, effective January 1, 2027 for the PFS relative value file.

Key facts for A4630

Medicare payment
$7.55 to $8.88
DMEPOS non-rural state fees (NU)
Coverage code
D
special coverage instructions apply
DME supplier MUE
0
MAI 3
OPPS status
SI E1
Non-allowed item or service
NCCI PTP pairs
0
practitioner file
LCDs and articles
0 / 0

TL;DR

CMS describes HCPCS A4630, added in 1991, as "Replacement batteries, medically necessary, transcutaneous electrical stimulator, owned by patient". DMEPOS fees for A4630, a IN (inexpensive and other routinely purchased items) item, run NU (purchased, new) $7.55 in CA, GA, IA and 13 more to $8.88 in AL, AR, CO and 23 more (floor $7.55, ceiling $8.88) in the October 2026 file. Its 2026 Q4 MUEs per date of service: practitioner 0 (MAI 3, CMS Policy); hospital outpatient 0 (MAI 3, CMS Policy); DME supplier 0 (MAI 3, Published Contractor Policy). No current LCD or billing article lists A4630; its HCPCS coverage code is D (special coverage instructions apply). OPPS status indicator E1: Non-allowed item or service. HCPCS record: BETOS D1E (other DME); pricing indicator 32; type of service A (used DME), P (lump-sum purchase of DME, prosthetics or orthotics), R (rental of DME). Nearby codes: A4641, A4615, A4649, A4604.

A4630 descriptor and code status

The October 2026 HCPCS Level II file describes A4630 as “Replacement batteries, medically necessary, transcutaneous electrical stimulator, owned by patient”. It sits in the A section (transportation, medical and surgical supplies, administrative, miscellaneous and investigational), listed with the other A codes.

HCPCS file attributes of A4630
FieldValue
Short descriptorRepl bat t.e.n.s. own by pt
Added to HCPCS1991-01-01
Last actionN (no maintenance), effective 2006-01-01
Coverage codeD: special coverage instructions apply
Pricing indicator32: DMEPOS inexpensive and routinely purchased DME (floors and ceilings)
BETOS categoryD1E: other DME
Type of serviceA: used DME; P: lump-sum purchase of DME, prosthetics or orthotics; R: rental of DME

Medicare payment for A4630

DMEPOS fees for A4630, a IN (inexpensive and other routinely purchased items) item, run NU (purchased, new) $7.55 in CA, GA, IA and 13 more to $8.88 in AL, AR, CO and 23 more (floor $7.55, ceiling $8.88) in the October 2026 file. The amounts below are national figures from the October 2026 CMS files; the contractor applies the locality, rural or state adjustment and the beneficiary's cost sharing.

Physician fee schedule (RVU26D)

Status X: statutory exclusion: not a physician service under the fee schedule. Global period XXX (global surgery concept does not apply); PC/TC indicator 9 (professional/technical concept does not apply).

DMEPOS fee schedule (DME26-D)

Jurisdiction D (DME MAC), payment category IN (inexpensive and other routinely purchased items). Fees are set per state; AK, HI, PR and VI are not subject to the national ceiling and floor and are listed separately. A rural fee applies only in ZIP codes on the CMS rural ZIP list.

DMEPOS fees for A4630 by modifier
ModifierFloor / ceilingNon-rural state rangeRural rangeAK / HI / PR / VI
NU (purchased, new)$7.55 / $8.88$7.55 (CA, GA, IA…) to $8.88 (AL, AR, CO…)—AK $7.14, HI $7.71, PR $6.79, VI $7.55

Hospital outpatient (OPPS Addendum B)

Status indicator E1 (Non-allowed item or service), with no separate OPPS payment rate.

Medically Unlikely Edits for A4630

Its 2026 Q4 MUEs per date of service: practitioner 0 (MAI 3, CMS Policy); hospital outpatient 0 (MAI 3, CMS Policy); DME supplier 0 (MAI 3, Published Contractor Policy). The DME supplier MUE is a date-of-service clinical edit: units above the limit deny but can be paid on appeal with documentation.

MUE values for A4630 by setting
SettingMUE (units/DOS)MAICMS rationale
Practitioner services03 Date of Service Edit: ClinicalCMS Policy
Facility outpatient hospital03 Date of Service Edit: ClinicalCMS Policy
DME supplier03 Date of Service Edit: ClinicalPublished Contractor Policy

The MUE lookup for A4630 shows every setting next to any other code on the same claim.

NCCI edits and add-on rules

No active practitioner PTP pair lists A4630 in v323r0.

A4630 is neither an add-on code nor a designated primary code in the 2026 Q4 NCCI add-on edit file.

Pair counts show exposure, not the answer for one claim. Check A4630 against a second code to see whether the pair bundles and whether a modifier can separate the services.

Medicare coverage policies for A4630

No current LCD or billing and coding article lists A4630. The HCPCS coverage code D means special coverage instructions apply, and any National Coverage Determination for the service still applies.

Denials to expect on A4630

CARC 50 · N115

the service is not reasonable and necessary for the diagnosis on the claim

CARC 151 · N362

units of A4630 exceed the DME supplier MUE of 0 per date of service

CARC 4

the NU payment modifier is missing or does not match the item

CARC 16

the claim lacks information needed to adjudicate the line, such as an order, NPI or required modifier

Where QuickIntell fits for A4630 claims

QuickAuth coordinates the requirement checks and documentation that DME claims for A4630 depend on, with human review of each case, and QuickRCM carries claim readiness and the CARC 50, 151 and modifier denials these items draw.

See QuickAuth for requirement checksSee QuickRCM for denial follow-upBook a meeting

Frequently asked questions: HCPCS A4630

What does HCPCS code A4630 describe?

"Replacement batteries, medically necessary, transcutaneous electrical stimulator, owned by patient" (short descriptor "Repl bat t.e.n.s. own by pt"), in the A section (transportation, medical and surgical supplies, administrative, miscellaneous and investigational). Added 1991-01-01; last action N (no maintenance) effective 2006-01-01.

Is A4630 a CPT code?

No. A4630 is a CMS HCPCS Level II code; CPT codes are the AMA's five-character set. Searches for "A4630 CPT code" mean this Level II code.

What does Medicare pay for A4630?

DMEPOS fees for A4630, a IN (inexpensive and other routinely purchased items) item, run NU (purchased, new) $7.55 in CA, GA, IA and 13 more to $8.88 in AL, AR, CO and 23 more (floor $7.55, ceiling $8.88) in the October 2026 file.

How many units of A4630 can be billed per day?

Its 2026 Q4 MUEs per date of service: practitioner 0 (MAI 3, CMS Policy); hospital outpatient 0 (MAI 3, CMS Policy); DME supplier 0 (MAI 3, Published Contractor Policy). For the DME supplier MUE (MAI 3), units above 0 deny for the day but can be paid on appeal with documentation; denials arrive as CARC 151.

Does Medicare cover A4630?

No current LCD or billing article lists A4630; its HCPCS coverage code is D (special coverage instructions apply).

Sources

Every figure on this page is taken from the CMS publications below, as released by the Centers for Medicare & Medicaid Services. Projection built 2026-10-10. Verify against the primary file before billing or contracting decisions. The reference methodology explains how each figure is computed from these files.

Disclaimer

This page is an operational reference compiled from CMS publications: the HCPCS Level II file, the physician, DMEPOS and clinical laboratory fee schedules, OPPS and ASC addenda, NCCI MUE, PTP and add-on edit tables and the Medicare Coverage Database. Amounts are Medicare national figures before locality and state adjustment; Medicaid and commercial payers set their own. CPT codes are shown as numbers only; CPT descriptors are copyright AMA. Nothing here is legal, clinical or billing advice.

Found a figure that does not match the CMS file? Report a data correction with the CMS file and the value you expected; the request reaches the editorial team through the contact form.