Non-Billable / Non-Specific Code
ICD-10-CM K90 is the diagnosis code for Intestinal malabsorption. This code falls under the section "Other diseases of the digestive system" within Chapter 11 — Diseases of the digestive system (K00-K95). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as K90. They are mutually exclusive:
Understanding where K90 sits in the ICD-10-CM classification helps ensure proper coding:
No, K90 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
K90 is the ICD-10-CM diagnosis code for "Intestinal malabsorption". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
K90 is located in Section K90-K95 — "Other diseases of the digestive system" within Chapter 11 of the ICD-10-CM Tabular List.
K90 has 7 sub-code(s) that provide more specific detail: K90.0, K90.1, K90.2, K90.3, K90.4 and more.
Use K90 when the patients documented diagnosis matches "Intestinal malabsorption" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Intestinal malabsorption is K90.
No, K90 is non-billable. Use a more specific sub-code for primary diagnosis billing.
K90 is in Chapter 11 of the ICD-10-CM Tabular List.
Type 1 Excludes for K90 include: intestinal malabsorption following gastrointestinal surgery (K91.2).
Yes, K90 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.