S55.099 - Other specified injury of ulnar artery at forearm level, unspecified arm
ICD-10-CM Chapter 19: Injury, poisoning and certain other consequences of external causes · S50-S59 Injuries to the elbow and forearm (S50-S59) · Subcategory of S55.09 · FY2027
Coding Guidance
S55.099 requires a 7th character. Report the code below that matches the documentation, for example A for initial encounter, D for subsequent encounter, S for sequela.
The appropriate 7th character is to be added to each code from category S55
Includes, Excludes and Coding Notes
Not part of this code; report both codes when the patient has both conditions.
- injury of blood vessels at wrist and hand level (S65.-)
- injury of brachial vessels (S45.1-S45.2)
Report an additional code when both conditions apply.
- any associated open wound (S51.-)
Not part of this code; report both codes when the patient has both conditions.
- burns and corrosions (T20-T32)
- frostbite (T33-T34)
- injuries of wrist and hand (S60-S69)
- insect bite or sting, venomous (T63.4)
Not part of this code; report both codes when the patient has both conditions.
- birth trauma (P10-P15)
- obstetric trauma (O70-O71)
Add a secondary code to identify the associated condition or cause when it is documented.
- code to identify any retained foreign body, if applicable (Z18.-)
Instructional notes from the ICD-10-CM tabular list.
- 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
- The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
More Specific Codes (3)
More specific codes for S55.099
Codes at the same level as S55.099