K90.49 – Malabsorption due to intolerance, not elsewhere classified
ICD-10-CM 2027 diagnosis code · Other diseases of the digestive system
ICD-10-CM code
K90.49
- Code
K90.49(claims format:K9049)- Description
- Malabsorption due to intolerance, not elsewhere classified
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 11. Diseases of the digestive system (K00-K95)
- Block
- K90-K95 Other diseases of the digestive system
- Parent codes
- K90 › K90.4
Notes for K90.49
Applicable to:
- Malabsorption due to intolerance to carbohydrate
- Malabsorption due to intolerance to fat
- Malabsorption due to intolerance to protein
- Malabsorption due to intolerance to starch
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
K90 – Intestinal malabsorption
Excludes1 (not coded here):
- intestinal malabsorption following gastrointestinal surgery (K91.2)
K90.4 – Other malabsorption due to intolerance
Index terms for K90.49
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Sprue, idiopathic
- Intolerance, food
- Malabsorption, fat
- Intolerance, protein
- Intolerance, fat NEC
- Malabsorption, starch
- Intolerance, milk NEC
- Malabsorption, protein
- Intolerance, starch NEC
- Decrease, tolerance, fat
- Intolerance, carbohydrate
- Enteropathy, protein-losing
- Malabsorption, carbohydrate
- Disturbance, absorption, fat
- Absorption, fat, disturbance
- Disturbance, absorption, starch
- Absorption, starch, disturbance
- Disturbance, absorption, protein
- Absorption, protein, disturbance
- Absorption, carbohydrate, disturbance
- Disturbance, absorption, carbohydrate
Related codes in K90.4
Frequently asked questions
What is ICD-10 code K90.49?
K90.49 is the ICD-10-CM code for malabsorption due to intolerance, not elsewhere classified, in the block K90-K95 (Other diseases of the digestive system).
Is K90.49 a billable code?
Yes. K90.49 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does K90.49 belong to?
It belongs to category K90 – Intestinal malabsorption.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.