Billable / Specific Code
ICD-10-CM K91.2 is the diagnosis code for Postsurgical malabsorption, not elsewhere classified. 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 billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 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 K91.2. They are mutually exclusive:
Understanding where K91.2 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, K91.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
K91.2 is the ICD-10-CM diagnosis code for "Postsurgical malabsorption, not elsewhere classified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of K91.2 is K91 ("Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified"). K91.2 provides a more specific classification within this category.
K91.2 is located in Section K90-K95 — "Other diseases of the digestive system" within Chapter 11 of the ICD-10-CM Tabular List.
Use K91.2 when the patients documented diagnosis matches "Postsurgical malabsorption, not elsewhere classified" 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 Postsurgical malabsorption, not elsewhere classified is K91.2.
Yes, K91.2 can be used as a primary diagnosis code since it is billable and specific.
K91.2 is in Chapter 11 of the ICD-10-CM Tabular List.
Type 1 Excludes for K91.2 include: malabsorption osteomalacia in adults (M83.2); malabsorption osteoporosis, postsurgical (M80.8-, M81.8).
Yes, K91.2 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.