Kodex

Section

S56.31

Strain of extensor or abductor muscles, fascia and tendons of thumb at forearm level

Hierarchy

S00-T88 Injury, poisoning and certain other consequences of external causes (S00-T88)
- S50-S59 Injuries to the elbow and forearm (S50-S59)
  - S56 Injury of muscle, fascia and tendon at forearm level
    - S56.3 Injury of extensor or abductor muscles, fascia and tendons of thumb at forearm level
      - S56.31 Strain of extensor or abductor muscles, fascia and tendons of thumb at forearm level
        
        S56.311 Strain of extensor or abductor muscles, fascia and tendons of right thumb at forearm level
        
        S56.312 Strain of extensor or abductor muscles, fascia and tendons of left thumb at forearm level
        
        S56.319 Strain of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level

Notes

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.

Code Also

any associated open wound (S51.-)
- S51 Open wound of elbow and forearm

Use Additional

code to identify any retained foreign body, if applicable (Z18.-)
- Z18 Retained foreign body fragments

Excludes 1

P10-P15 Birth trauma (P10-P15)
obstetric trauma (O70-O71)

Excludes 2

injury of muscle, fascia and tendon at or below wrist (S66.-)
- S66 Injury of muscle, fascia and tendon at wrist and hand level
sprain of joints and ligaments of elbow (S53.4-)
- S53.4 Sprain of elbow

T20-T32 Burns and corrosions (T20-T32)
T33-T34 Frostbite (T33-T34)
injuries of wrist and hand (S60-S69)
- S60-S69 Injuries to the wrist, hand and fingers (S60-S69)
insect bite or sting, venomous (T63.4)
- T63.4 Toxic effect of venom of other arthropods