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field block

  1. Default field block
    Medical Coding Books
    Does anyone know how to code a field block of the abdominal wall? This is for a postoperative site.

  2. #2
    From the Atlas of Primary Care Procedures, I found "field block", =
    which appears to be a type of local anesthesia.

    "Field block anesthesia describes the infiltration of local anesthetic =
    in a circumferential pattern around a surgical site. Like nerve blocks, =
    field blocks are used to anesthetize large areas of skin. Field blocks =
    differ from nerve blocks in that more than one nerve experiences =
    interruption of the nerve transmission. The technique permits large areas =
    to be anesthetized, and it is useful for large dermatologic procedures. =
    The field block does not disrupt the architecture of the surgical site and =
    often is administered for facial or cosmetic repairs."

    But they don't also provide the codinig which could represent a procedure with a similiar technique that has a CPT or just an unlisted code.

  3. Default
    Field block is one type of regional block
    depending upon the area where the peripheral Nerve block is given.- inrelation to the umbilicus would help us to select the code:-

    Thoracoabdominal nerves T7-T11 - supplies(sensory) between internal oblique and transverse abdominal muscles and cutaneous supply:
    T7-T9 superior to umbilicus
    T10- at the level of umbilicus
    T11-inferior to umbilicus
    T12- (subcostal nerves)inferior to the umbilicus.
    L1- illiohypogastric - to the wall inferior to the umbilicus.
    L1- illioinguinal nerves- to the wall inferior to the umbelicus.

    In so saying, we may have to select from the 64420- 64425 and would have to append with-59 for any of these nerve block.

    I feel that filed block is a type of regional block , the regional block code 64421 would fit these scenerio.
    However experts in pain management coding would clarify it better for us!

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