Correct Coding: Lithium Batteries

by  Christine Woolstenhulme, QCC, QMCS, CPC, CMRS
December 4th, 2014

The DME MACs have recently noted confusion on the part of DMEPOS suppliers regarding the proper billing of lithium batteries. There are two types of lithium batteries Lithium batteries and Lithium Ion batteries. Lithium ion batteries are commonly used in consumer electronic devices and are rechargeable. Standard lithium batteries are disposable, non-rechargeable batteries. Suppliers must take care to properly distinguish between lithium ion and lithium batteries when billing claims to Medicare.

The following HCPCS codes are used to correctly code lithium batteries:

A4235

Replacement battery, lithium, for use with medically necessary home blood glucose monitor owned by patient, each

A4601

Lithium ion battery for non-prosthetic use, replacement

E2397

Power wheelchair accessory, lithium-based battery, each

K0604

Replacement battery for external infusion pump owned by patient, lithium, 3.6 volt, each

K0605

Replacement battery for external infusion pump owned by patient, lithium, 4.5 volt, each

L7367

Lithium ion battery, replacement

Code A4235 describes a lithium battery, not a lithium ion battery. This code is used to bill lithium batteries for glucose monitors, regardless of the voltage.

Codes K0604 and K0605 describe lithium batteries commonly used in external insulin infusion pumps. Note that each code has an associated voltage. Claims for lithium batteries for external insulin infusion pumps (E0784) that do not use a voltage described by either code K0604 and K0605 must be billed using code A9999.

Code A4601 describes a lithium ion battery, not a lithium battery. Suppliers billing code A4601 must include, in the claim narrative field:

Codes E2397 and L7367 describe lithium ion batteries for power wheelchairs and prosthetics, respectively.

Refer to the Contractor Supplier Manual, applicable Local Coverage Determination and related Policy Article for additional information about other coverage, coding and documentation requirements.

For questions about correct coding, contact the PDAC Contact Center at (877) 735-1326 during the hours of 8:30 a.m. to 4:00 p.m. CT, Monday through Friday, or e-mail the PDAC by completing the DME PDAC Contact Form located on the PDAC website: https://www.dmepdac.com/This link takes you to an external website.

Posted on May 9, 2014

References:

Correct Coding: Lithium Batteries. (2014, December 4). Find-A-Code Articles. Retrieved from https://www.findacode.com/articles/correct-coding-lithium-batteries-31665.html

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