Z91.0112 Allergy to milk products with reactivity to baked milk
Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.
Excludes1 (never code together)
Allergy to milk products with tolerance to baked milk (Z91.0111)
Applies from Z91 Personal risk factors, not elsewhere classified
Excludes2 (not included here)
contact with and (suspected) exposures hazardous to health (Z77.-)
exposure to pollution and other problems related to physical environment (Z77.1-)
female genital mutilation status (N90.81-)
occupational exposure to risk factors (Z57.-)
personal history of physical injury and trauma (Z87.81, Z87.82-)
Applies from Z91.0 Allergy status, other than to drugs and biological substances
Excludes2 (not included here)
Allergy status to drugs, medicaments, and biological substances (Z88.-)
Applies from Z91.01 Food allergy status
Excludes2 (not included here)
food additives allergy status (Z91.02)
Applies from Z91.011 Allergy to milk products
Excludes1 (never code together)
lactose intolerance (E73.-)
MS-DRG index
Defines the logic of DRG(s) 951 in MDC 23.
Medicare Code Edits (MCE v43.1 (April 2026))
Unacceptable principal diagnosis: These codes describe a circumstance which influences care but is not a current illness or injury, or capture only an underlying condition, and are unacceptable as principal diagnosis.
Code annotations containing back-references to Z91.0112
Back-references to Z91.0112
Type 1 Excludes: Z91.0111 Allergy to milk products with tolerance to baked milk ("Allergy to milk products with reactivity to baked milk (Z91.0112)")
Back-references to Z91.01
Use Additional: K52.2 Allergic and dietetic gastroenteritis and colitis ("code to identify type of food allergy (Z91.01-, Z91.02-)")
Back-references to Z91.0
Use Additional: D89.44 Hereditary alpha tryptasemia ("allergy status, other than to drugs and biological substances (Z91.0-)")
Code Also: Z87.892 Personal history of anaphylaxis ("allergy status, other than to drugs and biological substances (Z91.0-)")
Type 2 Excludes: Z88 Allergy status to drugs, medicaments and biological substances ("Allergy status, other than to drugs and biological substances (Z91.0-)")
Diagnosis Index entries for Z91.0112
Allergy, allergic (reaction) (to) › food (any) (ingested) NEC › status (without reaction) › milk products › with › reactivity to baked milk
Allergy, allergic (reaction) (to) › milk protein › with › reactivity to baked milk
History › personal (of) › allergy (to) › food › milk products › with › reactivity to baked milk