ICD-10-CM Codes
I00-I99 Diseases of the circulatory system
I95-I99 Other and unspecified disorders of the circulatory system
I99- Other and unspecified disorders of circulatory system
2023 ICD-10-CM Diagnosis Code I99.8

2023 ICD-10-CM Diagnosis Code I99.8

Other disorder of circulatory system

2016

2017

2018

2019

2020

2021

2022

2023

Billable/Specific Code

I99.8 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2023 edition of ICD-10-CM I99.8 became effective on October 1, 2022.
This is the American ICD-10-CM version of I99.8 - other international versions of ICD-10 I99.8 may differ.

The following code(s) above I99.8 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to I99.8:

I00-I99
2023 ICD-10-CM Range I00-I99
Diseases of the circulatory system
Type 2 Excludes
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- transient cerebral ischemic attacks and related syndromes (G45.-)
Diseases of the circulatory system

Approximate Synonyms

Acute visceral ischemia
Bilateral arm ischemia
Bilateral arm ischemic limb pain
Bilateral leg ischemia
Bilateral leg ischemic limb pain
Disorder of portal systemic vascular shunt
Ischemia of hand
Ischemia of left lower extremity
Ischemia of left upper extremity
Ischemia of right lower extremity
Ischemia of viscera
Ischemia, extremity
Ischemic hand
Ischemic steal syndrome
Left arm ischemia
Left arm ischemic limb pain
Left leg ischemia
Left leg ischemic limb pain
Limb ischemia
Pain of bilateral lower limbs co-occurrent and due to ischemia
Pain of bilateral upper limbs co-occurrent and due to ischemia
Pain of left lower limb co-occurrent and due to ischemia
Pain of left upper limb co-occurrent and due to ischemia
Pain of right lower limb co-occurrent and due to ischemia
Pain of right upper limb co-occurrent and due to ischemia
Portal systemic vascular shunt disorder
Right arm ischemia
Right arm ischemic limb pain
Right leg ischemia
Right leg ischemic limb pain
Visceral ischemia

ICD-10-CM I99.8 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):

302 Atherosclerosis with mcc
303 Atherosclerosis without mcc

Convert I99.8 to ICD-9-CM

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change
2022 (effective 10/1/2021): No change
2023 (effective 10/1/2022): No change

Diagnosis Index entries containing back-references to I99.8:

Angiectasis, angiectopia I99.8
Atrophy, atrophic (of)
- vascular I99.8
Blood
- pressure
  - fluctuating I99.8
Circulation
- collateral, any site I99.8
Complication(s) (from) (of)
- circulatory system I99.8
Congestion, congestive
- circulatory NEC I99.8
Dilatation
- blood vessel I99.8
Disease, diseased - see also Syndrome
- circulatory (system) I99.8
- vascular I99.9
  ICD-10-CM Diagnosis Code I99.9
  Unspecified disorder of circulatory system
  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  - occlusive I99.8
Dissection
- vascular I99.8
Fluctuating blood pressure I99.8
Insufficiency, insufficient
- circulatory NEC I99.8
- vascular I99.8
- arteriovenous I99.8
Ischemia, ischemic I99.8
Obstruction, obstructed, obstructive
- vessel NEC I99.8
- circulatory I99.8
Occlusion, occluded
- vascular NEC I99.8
- vessel I99.8 (blood)

ICD-10-CM Codes Adjacent To I99.8

I97.8 Other intraoperative and postprocedural complications and disorders of the circulatory system, not elsewhere classified

I97.81 Intraoperative cerebrovascular infarction

I97.810 …… during cardiac surgery

I97.811 …… during other surgery

I97.82 Postprocedural cerebrovascular infarction

I97.820 …… following cardiac surgery

I97.821 …… following other surgery

I97.88 Other intraoperative complications of the circulatory system, not elsewhere classified

I97.89 Other postprocedural complications and disorders of the circulatory system, not elsewhere classified

I99 Other and unspecified disorders of circulatory system

I99.8 Other disorder of circulatory system

I99.9 Unspecified disorder of circulatory system

J00 Acute nasopharyngitis [common cold]

J01 Acute sinusitis

J01.0 Acute maxillary sinusitis

J01.00 …… unspecified

J01.01 Acute recurrent maxillary sinusitis

J01.1 Acute frontal sinusitis

J01.10 …… unspecified

J01.11 Acute recurrent frontal sinusitis

J01.2 Acute ethmoidal sinusitis

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2023 ICD-10-CM Diagnosis Code I99.8

Other disorder of circulatory system

Diseases of the circulatory system

Unspecified disorder of circulatory system