Modifier KJ

Modifier KJ Description and Billing Use

Plain-language description

DME rental sequence modifier.

How modifier KJ is used

KJ identifies months four through fifteen for applicable PEN pump or capped-rental DME. Confirm the item's payment category, prior rental history, beneficiary and supplier continuity, and any continued-coverage requirements.

Modifier KJ questions

What does the KJ modifier mean?

KJ identifies applicable PEN pump or capped-rental DME months four through fifteen.

Does KJ establish continued coverage?

No. The rental sequence, coverage criteria, documentation, and any product-specific continued-coverage requirements must all be supported.

Before reporting this modifier

  1. 1. Confirm the current official or licensed definition and payer acceptance.
  2. 2. Identify the exact claim circumstance the modifier communicates.
  3. 3. Make the code, setting, related services, and medical record consistent.
  4. 4. Check NCCI, global surgery, component, DME, ABN, or drug rules that apply.
  5. 5. Do not append a modifier only to force an edit override.
LessonStudy the related billing ruleOfficial sourceReview current CMS guidance

This is a workflow summary, not a licensed CPT definition or claim-specific coding instruction. Verify the code set and payer rule effective for the date of service.