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T78.111S

T78.111S: Other adverse food reaction due to milk and dairy products with reactivity to baked milk, sequela

Billable / specific codeICD-10-CMPOA exempt

T78.111S is a billable, specific ICD-10-CM code for other adverse food reaction due to milk and dairy products with reactivity to baked milk, sequela. It is valid for submission on a claim.

Check T78.111S with the rest of the claim: free scrubber

7th character "S": sequela

The appropriate 7th character is to be added to each code from category T78

A
initial encounter
D
subsequent encounter
S
sequela

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • Other adverse food reaction due to milk and dairy products with tolerance to baked milk (T78.110)

Excludes1 inherited from the categories above T78.111S

A category’s note binds every code beneath it.

Written on T78.111: Other adverse food reaction due to milk and dairy products with reactivity to baked milk

  • Other adverse food reaction due to milk and dairy products with tolerance to baked milk (T78.110)

Written on T78.1: Other adverse food reactions, not elsewhere classified

  • anaphylactic reaction or shock due to adverse food reaction (T78.0-)
  • anaphylactic reaction due to food (T78.0-)
  • bacterial food borne intoxications (A05.-)

Excludes2 inherited from the categories above T78.111S

Not part of this code, but both may be coded when both are present.

Written on T78.1: Other adverse food reactions, not elsewhere classified

  • allergic and dietetic gastroenteritis and colitis (K52.29)
  • allergic rhinitis due to food (J30.5)
  • dermatitis due to food in contact with skin (L23.6, L24.6, L25.4)
  • dermatitis due to ingested food (L27.2)
  • food protein-induced enterocolitis syndrome (K52.21)
  • food protein-induced enteropathy (K52.22)

Written on T78: Adverse effects, not elsewhere classified

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

Other codes that can never be billed with T78.111S

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • T75Other and unspecified effects of other external causes

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

T78.111S is named in 13 Medicare coverage policies: 13 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56558Billing and Coding: Allergy Testing
  • A57068Billing and Coding: Ocular Photography - External
  • A57531Billing and Coding: Allergy Testing
  • A60360Billing and Coding: Allergy Diagnostic Testing

Code history

  • addedFY2024-FY2027

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

Other codes under T78.111

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.