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ICD-10-CM Code K90.4
Malabsorption due to intolerance, not elsewhere classified

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

K90.4 is a billable ICD code used to specify a diagnosis of malabsorption due to intolerance, not elsewhere classified. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code K904 is used to code Food intolerance

Food intolerance (or non-allergic food hypersensitivity) is a detrimental reaction, often delayed, to a food, beverage, food additive, or compound found in foods that produces symptoms in one or more body organs and systems, but generally refers to reactions other than food allergy. Food allergies are immune reactions, involving mast cells in which food triggers release of mast cell mediators, such as histamine when the food allergen binds to pre-formed IgE antibodies already bound to the mast cell. This mechanism causing allergies to typically give immediate reaction (a few minutes to a few hours) to foods, There are numerous causes for other types of food sensitivities, most of which, in contrast to food allergies, cause delayed hypersensitivity reactions to the food.

MeSH Codes: , D011504,
ICD 9 Codes: V69.1, 579.8, 579.8
Source: Wikipedia

Coding Notes for K90.4 Info for medical coders on how to properly use this ICD-10 code

Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive.
Malabsorption due to intolerance to carbohydrate
Malabsorption due to intolerance to fat
Malabsorption due to intolerance to protein
Malabsorption due to intolerance to starch
Code Type-2 Excludes:
Type-2 Excludes
Type-2 Excludes means the excluded conditions are different, although they may appear similar. A patient may have both conditions, but one does not include the other. Excludes 2 means "not coded here."
Gluten-sensitive enteropathy - instead, use code K90.0
Lactose intolerance - instead, use code E73.-

MS-DRG Mapping

  • DRG Group #391-392 - Esophagitis, gastroent and misc digest disorders with MCC.
  • DRG Group #391-392 - Esophagitis, gastroent and misc digest disorders without MCC.

ICD-10-CM Alphabetical Index References for 'K90.4 - Malabsorption due to intolerance, not elsewhere classified'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code K90.4. Click on any term below to browse the alphabetical index.


Other specified intestinal malabsorption (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code K90.4 and a single ICD9 code, 579.8 is an approximate match for comparison and conversion purposes.

Parent Code: K90 - Intestinal malabsorption

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/K904