ICD-10-CM Diagnosis Code T78.111S - Other adverse food reaction due to milk and dairy products with reactivity to baked milk, sequela (original) (raw)

T78.111S is a billable diagnosis code used to specify a medical diagnosis of other adverse food reaction due to milk and dairy products with reactivity to baked milk, sequela. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2025 through September 30, 2026. The code is exempt from present on admission (POA) reporting for inpatient admissions to general acute care hospitals.

This code describes a circumstance which influences the patient's health status but not a current illness or injury. The code is unacceptable as a principal diagnosis.

T78.111S is a sequela code, includes a 7th character and should be used for complications that arise as a direct result of a condition like other adverse food reaction due to milk and dairy products with reactivity to baked milk. According to ICD-10-CM Guidelines a "sequela" code should be used for chronic or residual conditions that are complications of an initial acute disease, illness or injury. The most common sequela is pain. Usually, two diagnosis codes are needed when reporting sequela. The first code describes the nature of the sequela while the second code describes the sequela or late effect.