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  1. ICD.Codes
  2. ICD-10-CM (2016)
  3. Chapter 9
  4. Section I95-I99
  5. Code I99.9

ICD-10-CM Code I99.9
Unspecified disorder of circulatory system

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

I99.9 is a billable ICD code used to specify a diagnosis of unspecified disorder of circulatory system. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

MS-DRG Mapping

  • DRG Group #302-303 - Atherosclerosis with MCC.
  • DRG Group #302-303 - Atherosclerosis without MCC.

ICD-10-CM Alphabetical Index References for 'I99.9 - Unspecified disorder of circulatory system'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code I99.9. Click on any term below to browse the alphabetical index.

Angiopathia, angiopathy (I99.9)
Complication(s) (from) (of) +
Damage +
Defect, defective +
Disease, diseased (see: Syndrome) +
Change(s) (in) (of) (see: Removal) +
Deficiency, deficient +
Lesion(s) (nontraumatic) +
Disturbance(s) (see: Disease) +

Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)

459.9
Unspecified circulatory system disorder (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 I99.9 and a single ICD9 code, 459.9 is an approximate match for comparison and conversion purposes.

Parent Code: I99 - Other and unspecified disorders of circulatory system

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/I999