ICD-10-CM Codes
I00-I99 Diseases of the circulatory system
I95-I99 Other and unspecified disorders of the circulatory system
I96- Gangrene, not elsewhere classified
2023 ICD-10-CM Diagnosis Code I96

2023 ICD-10-CM Diagnosis Code I96

Gangrene, not elsewhere classified

2016

2017

2018

2019

2020

2021

2022

2023

Billable/Specific Code

I96 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 I96 became effective on October 1, 2022.
This is the American ICD-10-CM version of I96 - other international versions of ICD-10 I96 may differ.

Applicable To

Gangrenous cellulitis

Type 1 Excludes

Type 1 Excludes Help

A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as I96. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

gangrene in atherosclerosis of native arteries of the extremities (
ICD-10-CM Diagnosis Code I70.26
Atherosclerosis of native arteries of extremities with gangrene
Includes
- any condition classifiable to I70.21-, I70.22-, I70.23-, I70.24-, and I70.25-
- chronic limb-threatening ischemia of native arteries of extremities with gangrene
- critical limb ischemia of native arteries of extremities with gangrene
Use Additional
- code to identify the severity of any ulcer (L97.-, L98.49-), if applicable
I70.26
)
gangrene in hernia (
ICD-10-CM Diagnosis Code K40.1
Bilateral inguinal hernia, with gangrene
K40.1
,
ICD-10-CM Diagnosis Code K40.4
Unilateral inguinal hernia, with gangrene
K40.4
,
ICD-10-CM Diagnosis Code K41.1
Bilateral femoral hernia, with gangrene
K41.1
,
ICD-10-CM Diagnosis Code K41.4
Unilateral femoral hernia, with gangrene
K41.4
,
ICD-10-CM Diagnosis Code K42.1
Umbilical hernia with gangrene
Applicable To
- Gangrenous umbilical hernia
K42.1
,
ICD-10-CM Diagnosis Code K43.1
Incisional hernia with gangrene
Applicable To
- Gangrenous incisional hernia
K43.1-
,
ICD-10-CM Diagnosis Code K44.1
Diaphragmatic hernia with gangrene
Applicable To
- Gangrenous diaphragmatic hernia
K44.1
,
ICD-10-CM Diagnosis Code K45.1
Other specified abdominal hernia with gangrene
Applicable To
- Any condition listed under K45 specified as gangrenous
K45.1
,
ICD-10-CM Diagnosis Code K46.1
Unspecified abdominal hernia with gangrene
Applicable To
- Any condition listed under K46 specified as gangrenous
K46.1
)
gangrene in other peripheral vascular diseases (
ICD-10-CM Diagnosis Code I73
- I73 Other peripheral vascular diseases
  - I73.0 Raynaud's syndrome
    - I73.00 …… without gangrene
    - I73.01 …… with gangrene
  - I73.1 Thromboangiitis obliterans [Buerger's disease...
  - I73.8 Other specified peripheral vascular diseases
    - I73.81 Erythromelalgia
    - I73.89 Other specified peripheral vascular diseases
  - I73.9 Peripheral vascular disease, unspecified
I73.-
)
gangrene of certain specified sites - see Alphabetical Index
gas gangrene (
ICD-10-CM Diagnosis Code A48.0
Gas gangrene
Applicable To
- Clostridial cellulitis
- Clostridial myonecrosis
A48.0
)
pyoderma gangrenosum (
ICD-10-CM Diagnosis Code L88
Pyoderma gangrenosum
Applicable To
- Phagedenic pyoderma
Type 1 Excludes
- dermatitis gangrenosa (L08.0)
L88
)

Type 2 Excludes

Type 2 Excludes Help

A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (I96) and the excluded code together.

gangrene in diabetes mellitus (E08-E13
ICD-10-CM Range E08-E13
Diabetes mellitus
- E08 Diabetes mellitus due to underlying cond...
- E09 Drug or chemical induced diabetes mellit...
- E10 Type 1 diabetes mellitus
- E11 Type 2 diabetes mellitus
- E13 Other specified diabetes mellitus
with .52)

The following code(s) above I96 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 I96:

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

Gangrene
Gangrene due to peripheral vascular disease
Gangrene of bilateral feet
Gangrene of both feet
Gangrene of both fingers
Gangrene of both toes
Gangrene of finger of bilateral hands
Gangrene of finger of left hand
Gangrene of finger of right hand
Gangrene of left finger
Gangrene of left foot
Gangrene of left toe
Gangrene of right finger
Gangrene of right foot
Gangrene of right toe
Gangrene of toe of bilateral feet
Gangrene of toe of left foot
Gangrene of toe of right foot
Gangrenous disorder
Necrotizing fasciitis caused by microorganism
Necrotizing fasciitis due to infectious organism with gangrene
Necrotizing fasciitis with gangrene
Skin necrosis
Skin tissue necrosis
Tissue necrosis in peripheral vascular disease

ICD-10-CM I96 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):

299 Peripheral vascular disorders with mcc
300 Peripheral vascular disorders with cc
301 Peripheral vascular disorders without cc/mcc
791 Prematurity with major problems
793 Full term neonate with major problems

Convert I96 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

Code annotations containing back-references to I96:

Code First: L97
, L89

ICD-10-CM Diagnosis Code L97
Non-pressure chronic ulcer of lower limb, not elsewhere classified
Code First
- any associated underlying condition, such as:
- any associated gangrene (I96)
- atherosclerosis of the lower extremities (I70.23-, I70.24-, I70.33-, I70.34-, I70.43-, I70.44-, I70.53-, I70.54-, I70.63-, I70.64-, I70.73-, I70.74-)
- chronic venous hypertension (I87.31-, I87.33-)
- diabetic ulcers (E08.621, E08.622, E09.621, E09.622, E10.621, E10.622, E11.621, E11.622, E13.621, E13.622)
- postphlebitic syndrome (I87.01-, I87.03-)
- postthrombotic syndrome (I87.01-, I87.03-)
- varicose ulcer (I83.0-, I83.2-)
Includes
- chronic ulcer of skin of lower limb NOS
- non-healing ulcer of skin
- non-infected sinus of skin
- trophic ulcer NOS
- tropical ulcer NOS
- ulcer of skin of lower limb NOS
Type 2 Excludes
- pressure ulcer (pressure area) (L89.-)
- skin infections (L00-L08)
- specific infections classified to A00-B99
ICD-10-CM Diagnosis Code L89
Pressure ulcer
Code First
- any associated gangrene (I96)
Includes
- bed sore
- decubitus ulcer
- plaster ulcer
- pressure area
- pressure sore
Type 2 Excludes
- decubitus (trophic) ulcer of cervix (uteri) (N86)
- diabetic ulcers (E08.621, E08.622, E09.621, E09.622, E10.621, E10.622, E11.621, E11.622, E13.621, E13.622)
- non-pressure chronic ulcer of skin (L97.-)
- skin infections (L00-L08)
- varicose ulcer (I83.0, I83.2)
Type 2 Excludes: L98.4

ICD-10-CM Diagnosis Code L98.4
Non-pressure chronic ulcer of skin, not elsewhere classified
Applicable To
- Chronic ulcer of skin NOS
- Tropical ulcer NOS
- Ulcer of skin NOS
Type 2 Excludes
- pressure ulcer (pressure area) (L89.-)
- gangrene (I96)
- skin infections (L00-L08)
- specific infections classified to A00-B99
- ulcer of lower limb NEC (L97.-)
- varicose ulcer (I83.0-I83.93)

Diagnosis Index entries containing back-references to I96:

Acrosphacelus I96
Gangrene, gangrenous (connective tissue) (dropsical) (dry) (moist) (skin) (ulcer) I96 - see also Necrosis
- abdomen I96 (wall)
- auricle I96
- cutaneous, spreading I96
- extremity I96 (lower) (upper)
- limb I96 (lower) (upper)
- perineum I96
- spine I96
- spreading cutaneous I96
- umbilicus I96
Necrosis, necrotic (ischemic) - see also Gangrene
- skin or subcutaneous tissue NEC I96
Noma (gangrenous) (hospital) (infective) A69.0
ICD-10-CM Diagnosis Code A69.0
Necrotizing ulcerative stomatitis
Applicable To
Cancrum oris
Fusospirochetal gangrene
Noma
Stomatitis gangrenosa
- auricle I96

ICD-10-CM Codes Adjacent To I96

I89.9 Noninfective disorder of lymphatic vessels and lymph nodes, unspecified

I95 Hypotension

I95.0 Idiopathic hypotension

I95.1 Orthostatic hypotension

I95.2 Hypotension due to drugs

I95.3 Hypotension of hemodialysis

I95.8 Other hypotension

I95.81 Postprocedural hypotension

I95.89 Other hypotension

I95.9 Hypotension, unspecified

I96 Gangrene, not elsewhere classified

I97 Intraoperative and postprocedural complications and disorders of circulatory system, not elsewhere classified

I97.0 Postcardiotomy syndrome

I97.1 Other postprocedural cardiac functional disturbances

I97.11 Postprocedural cardiac insufficiency

I97.110 …… following cardiac surgery

I97.111 …… following other surgery

I97.12 Postprocedural cardiac arrest

I97.120 …… following cardiac surgery

I97.121 …… following other surgery

I97.13 Postprocedural heart failure

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 I96

Gangrene, not elsewhere classified

Atherosclerosis of native arteries of extremities with gangrene

Bilateral inguinal hernia, with gangrene

Unilateral inguinal hernia, with gangrene

Bilateral femoral hernia, with gangrene

Unilateral femoral hernia, with gangrene

Umbilical hernia with gangrene

Incisional hernia with gangrene

Diaphragmatic hernia with gangrene

Other specified abdominal hernia with gangrene

Unspecified abdominal hernia with gangrene

Gas gangrene

Pyoderma gangrenosum

Diabetes mellitus

Diseases of the circulatory system

Non-pressure chronic ulcer of lower limb, not elsewhere classified

Pressure ulcer

Non-pressure chronic ulcer of skin, not elsewhere classified

Necrotizing ulcerative stomatitis