ICD-10-CM Codes
S00-T88 Injury, poisoning and certain other consequences of external causes
S00-S09 Injuries to the head
S00- Superficial injury of head
2021 ICD-10-CM Diagnosis Code S00.422

2021 ICD-10-CM Diagnosis Code S00.422

Blister (nonthermal) of left ear

2016

2017

2018

2019

2020

2021

Non-Billable/Non-Specific Code

S00.422 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
The 2021 edition of ICD-10-CM S00.422 became effective on October 1, 2020.
This is the American ICD-10-CM version of S00.422 - other international versions of ICD-10 S00.422 may differ.

The following code(s) above S00.422 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 S00.422:

S00-T88
2021 ICD-10-CM Range S00-T88
Injury, poisoning and certain other consequences of external causes
Note
- Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
Type 1 Excludes
- birth trauma (P10-P15)
- obstetric trauma (O70-O71)
Use Additional
- code to identify any retained foreign body, if applicable (Z18.-)
Injury, poisoning and certain other consequences of external causes
S00-S09
2021 ICD-10-CM Range S00-S09
Injuries to the head
Code Also
- for any associated infection
Includes
- injuries of ear
- injuries of eye
- injuries of face [any part]
- injuries of gum
- injuries of jaw
- injuries of oral cavity
- injuries of palate
- injuries of periocular area
- injuries of scalp
- injuries of temporomandibular joint area
- injuries of tongue
- injuries of tooth
Type 2 Excludes
- burns and corrosions (T20-T32)
- effects of foreign body in ear (T16)
- effects of foreign body in larynx (T17.3)
- effects of foreign body in mouth NOS (T18.0)
- effects of foreign body in nose (T17.0-T17.1)
- effects of foreign body in pharynx (T17.2)
- effects of foreign body on external eye (T15.-)
- frostbite (T33-T34)
- insect bite or sting, venomous (T63.4)
Injuries to the head
S00
ICD-10-CM Diagnosis Code S00
Superficial injury of head
Type 1 Excludes
- diffuse cerebral contusion (S06.2-)
- focal cerebral contusion (S06.3-)
- injury of eye and orbit (S05.-)
- open wound of head (S01.-)
Superficial injury of head

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

ICD-10-CM Codes Adjacent To S00.422

S00.412S …… sequela

S00.419 Abrasion of unspecified ear

S00.419A …… initial encounter

S00.419D …… subsequent encounter

S00.419S …… sequela

S00.42 Blister (nonthermal) of ear

S00.421 Blister (nonthermal) of right ear

S00.421A …… initial encounter

S00.421D …… subsequent encounter

S00.421S …… sequela

S00.422 Blister (nonthermal) of left ear

S00.422A …… initial encounter

S00.422D …… subsequent encounter

S00.422S …… sequela

S00.429 Blister (nonthermal) of unspecified ear

S00.429A …… initial encounter

S00.429D …… subsequent encounter

S00.429S …… sequela

S00.43 Contusion of ear

S00.431 Contusion of right ear

S00.431A …… initial encounter

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

2021 ICD-10-CM Diagnosis Code S00.422

Blister (nonthermal) of left ear

Injury, poisoning and certain other consequences of external causes

Injuries to the head

Superficial injury of head