ICD-10-CM Codes
S00-T88 Injury, poisoning and certain other consequences of external causes
S90-S99 Injuries to the ankle and foot
S90- Superficial injury of ankle, foot and toes

2020 ICD-10-CM Diagnosis Code S90.425A

Blister (nonthermal), left lesser toe(s), initial encounter

2016

2017

2018

2019

2020

Billable/Specific Code

S90.425A is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2020 edition of ICD-10-CM S90.425A became effective on October 1, 2019.
This is the American ICD-10-CM version of S90.425A - other international versions of ICD-10 S90.425A may differ.

The following code(s) above S90.425A 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 S90.425A:

S00-T88
2020 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
S90-S99
2020 ICD-10-CM Range S90-S99
Injuries to the ankle and foot
Type 2 Excludes
- burns and corrosions (T20-T32)
- fracture of ankle and malleolus (S82.-)
- frostbite (T33-T34)
- insect bite or sting, venomous (T63.4)
Injuries to the ankle and foot

Approximate Synonyms

Blister of left lesser toe
Blister of left lesser toe with infection
Left lesser toe blister
Left lesser toe blister, with infection

ICD-10-CM S90.425A is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):

606 Minor skin disorders with mcc
607 Minor skin disorders without mcc
955 Craniotomy for multiple significant trauma
956 Limb reattachment, hip and femur procedures for multiple significant trauma
957 Other o.r. Procedures for multiple significant trauma with mcc
958 Other o.r. Procedures for multiple significant trauma with cc
959 Other o.r. Procedures for multiple significant trauma without cc/mcc
963 Other multiple significant trauma with mcc
964 Other multiple significant trauma with cc
965 Other multiple significant trauma without cc/mcc

Convert S90.425A 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

ICD-10-CM Codes Adjacent To S90.425A

S90.422S …… sequela

S90.423 Blister (nonthermal), unspecified great toe

S90.423A …… initial encounter

S90.423D …… subsequent encounter

S90.423S …… sequela

S90.424 Blister (nonthermal), right lesser toe(s)

S90.424A …… initial encounter

S90.424D …… subsequent encounter

S90.424S …… sequela

S90.425 Blister (nonthermal), left lesser toe(s)

S90.425A …… initial encounter

S90.425D …… subsequent encounter

S90.425S …… sequela

S90.426 Blister (nonthermal), unspecified lesser toe(s)

S90.426A …… initial encounter

S90.426D …… subsequent encounter

S90.426S …… sequela

S90.44 External constriction of toe

S90.441 External constriction, right great toe

S90.441A …… initial encounter

S90.441D …… subsequent encounter

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

2020 ICD-10-CM Diagnosis Code S90.425A

Blister (nonthermal), left lesser toe(s), initial encounter

Injury, poisoning and certain other consequences of external causes

Injuries to the ankle and foot