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T78.111A

Other adverse food reaction due to milk and dairy products with reactivity to baked milk, initial encounter

Billable FY2026 2025-10-01 → 2026-09-30 FY2026–2027 only
Exclusions 12 never code together
T78.1code
Excludes1
  • anaphylactic reaction or shock due to adverse food reaction (T78.0-)T78.0-
  • anaphylactic reaction due to food (T78.0-)T78.0-
  • bacterial food borne intoxications (A05.-)A05.-
Excludes2
  • allergic and dietetic gastroenteritis and colitis (K52.29)K52.29
  • allergic rhinitis due to food (J30.5)J30.5
  • dermatitis due to food in contact with skin (L23.6, L24.6, L25.4)L23.6L24.6L25.4
  • dermatitis due to ingested food (L27.2)L27.2
  • food protein-induced enterocolitis syndrome (K52.21)K52.21
  • food protein-induced enteropathy (K52.22)K52.22
T78code
Excludes2
  • complications of surgical and medical care NEC (T80-T88)T80-T88
S00-T88chapter
Excludes2

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

7th character 3
A initial encounter this code
D subsequent encounter
S sequela
Instructional notes 4
T78.1code
Use additional code
  • code to identify the type of reaction, if applicable
S00-T88chapter
Notes
  • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
  • The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Use additional code
  • code to identify any retained foreign body, if applicable (Z18.-)Z18.-
Index entries leading here 1 filed at T78.111

The index files this at T78.111. The tabular extends it — laterality, staging, or the 7th character — so these entries lead to the family rather than to T78.111A exactly.

Alongside this code 2 same parent — T78.111
Medications 1

MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.

Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
yes
Code set
FY2026
Parent
T78.111
Block
T07-T88
Siblings
2

Present FY2026–FY2027.