Anesthesia Coding Alert

Reader Questions:

Capture Bilateral Rectus Sheath and TAP Blocks During Same Session

Question: The anesthesiologist administered a bilateral rectus sheath block from 3:35 to 3:40 p.m. and then administered a TAP block (bilateral abdominus plane) from 3:40 to 3:45 p.m. We’re unsure how to bill since there were bilateral blocks in both areas. Should we list 64488 on the claim twice and append either modifier 59 on the second line?

Virginia Subscriber

Answer: Begin your claim with CPT® code 64488 (Transversus abdominis plane (TAP) block (abdominal plane block, rectus sheath block) bilateral; by injections (includes imaging guidance, when performed)). This code has a medically unlikely edit (MUE) of “1” so should only be reported once during an encounter.

If the blocks were for documented as necessary for postoperatiave pain management, you could append either modifier 59 (Distinct procedural service) or the appropriate X modifier to separate the block from the anesthesia service provided. Your X modifier choices are:

  • XE, Separate encounter
  • XP, Separate practitioner
  • XS, Separate structure
  • XU, Unusual non-overlapping service

 

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