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T78.41
Non-billable

Arthus phenomenon

Chapter 19: Injury, poisoning and certain other consequences of external causes

Inclusion Terms

1 item
  • •
    Arthus reaction

Coding Guidance

T78.41 should not be used for reimbursement purposes as there are more specific codes below it that contain a greater level of detail. See Related Codes to drill down to more specific billable codes for appropriate reimbursement.

Additional Information from Parent Codes

The following information may apply to this code from its parent codes in the ICD-10 hierarchy. This information is important for proper coding and classification.

Parent Codes Referenced:

S00-T88T78T78.4

Excludes1

9 items

From S00-T88:

From T78.4:

  • •
    specified types of allergic reaction such as:
  • •
    allergic diarrhea (K52.29)
  • •
    allergic gastroenteritis and colitis (K52.29)
  • •
    dermatitis (L23-L25, L27.-)
  • •
    food protein-induced enterocolitis syndrome (K52.21)
  • •
    food protein-induced enteropathy (K52.22)
  • •
    hay fever (J30.1)

Excludes2

1 item

From T78:

  • •
    complications of surgical and medical care NEC (T80-T88)

Use Additional Code

1 item

From S00-T88:

  • •
    code to identify any retained foreign body, if applicable (Z18.-)

7th Character Notes

4 items

From T78:

  • •
    The appropriate 7th character is to be added to each code from category T78
  • •
    A: initial encounter
  • •
    D: subsequent encounter
  • •
    S: sequela
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