2024 ICD-10-CM Diagnosis Code K55.039
Acute (reversible) ischemia of large intestine, extent unspecified
- ICD-10-CM Code:
- K55.039
- ICD-10 Code for:
- Acute ischemia of large intestine, extent unspecified
- Is Billable?
- Yes - Valid for Submission
- Chronic Condition Indicator: [1]
- Not chronic
- Code Navigator:
K55.039 is a billable diagnosis code used to specify a medical diagnosis of acute (reversible) ischemia of large intestine, extent unspecified. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2023 through September 30, 2024.
Unspecified diagnosis codes like K55.039 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.
Approximate Synonyms
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Acute GIT vascular insufficiency
- Acute ischemia of colon due to thrombosis of mesenteric vein
- Acute ischemic colitis
- Acute thrombosis of mesenteric vein
- Acute vascular insufficiency of intestine
- Acute visceral ischemia
- Anastomotic necrosis of large intestine
- Gastrointestinal anastomotic necrosis
- Ischemic colitis
- Thrombosis of mesenteric vein
- Visceral ischemia
Clinical Classification
Clinical Category | CCSR Category Code | Inpatient Default CCSR | Outpatient Default CCSR |
---|---|---|---|
Other specified and unspecified gastrointestinal disorders | DIG025 | Y - Yes, default inpatient assignment for principal diagnosis or first-listed diagnosis. | Y - Yes, default outpatient assignment for principal diagnosis or first-listed diagnosis. |
Peripheral and visceral vascular disease | CIR026 | N - Not default inpatient assignment for principal diagnosis or first-listed diagnosis. | N - Not default outpatient assignment for principal diagnosis or first-listed diagnosis. |
Index to Diseases and Injuries References
The following annotation back-references for this diagnosis code are found in the injuries and diseases index. The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10-CM code(s).
- - Colitis (acute) (catarrhal) (chronic) (noninfective) (hemorrhagic) - See Also: Enteritis; - K52.9
- - ischemic - K55.9
- - acute (subacute) - See Also: Ischemia, intestine, acute; - K55.039
- - fulminant (acute) - See Also: Ischemia, intestine, acute; - K55.039
- - subacute ischemic - See Also: Ischemia, intestine, acute; - K55.039
- - thromboulcerative - See Also: Ischemia, intestine, acute; - K55.039
- - ischemic - K55.9
- - Disease, diseased - See Also: Syndrome;
- - colon - K63.9
- - ischemic - See Also: Ischemia, intestine, acute; - K55.039
- - mesenteric embolic - See Also: Ischemia, intestine, acute; - K55.039
- - colon - K63.9
- - Embolism (multiple) (paradoxical) - I74.9
- - intestine (artery) (vein) (with gangrene) - See Also: Ischemia, intestine, acute; - K55.039
Replacement Code
K55039 replaces the following previously assigned ICD-10-CM code(s):
- K55.0 - Acute vascular disorders of intestine
Convert K55.039 to ICD-9-CM
- ICD-9-CM Code: 557.0 - Ac vasc insuff intestine
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.
Code History
- FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
- FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
- FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
- FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
- FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
- FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
- FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
Footnotes
[1] Not chronic - A diagnosis code that does not fit the criteria for chronic condition (duration, ongoing medical treatment, and limitations) is considered not chronic. Some codes designated as not chronic are acute conditions. Other diagnosis codes that indicate a possible chronic condition, but for which the duration of the illness is not specified in the code description (i.e., we do not know the condition has lasted 12 months or longer) also are considered not chronic.