ICD-10-CM code "S66.21": Strain of extensor muscle, fascia and tendon of thumb at wrist and hand level (2024)

Overview

ICD-10 CodeS66.21
DescriptionStrain of extensor muscle, fascia and tendon of thumb at wrist and hand level
Hierarchy
  1. Injury, poisoning and certain other consequences of external causes (S00-T88)
  2. Injuries to the wrist, hand and fingers (S60-S69)
  3. Injury of muscle, fascia and tendon at wrist and hand level (S66)
  4. Injury of extensor muscle, fascia and tendon of thumb at wrist and hand level (S66.2)
  5. Strain of extensor muscle, fascia and tendon of thumb at wrist and hand level (S66.21)
Billable statusNon billable code

Excludes

  1. Injury, poisoning and certain other consequences of external causes (S00-T88)

    Type 1birth trauma (P10-P15)

    Type 1obstetric trauma (O70-O71)

  2. Injuries to the wrist, hand and fingers (S60-S69)

    Type 2burns and corrosions (T20-T32)

    Type 2frostbite (T33-T34)

    Type 2insect bite or sting, venomous (T63.4)

  3. Injury of muscle, fascia and tendon at wrist and hand level (S66)

    Type 2sprain of joints and ligaments of wrist and hand (S63.-)

  4. Injury of extensor muscle, fascia and tendon of thumb at wrist and hand level (S66.2)
  5. Strain of extensor muscle, fascia and tendon of thumb at wrist and hand level (S66.21)

Includes

  1. Injury, poisoning and certain other consequences of external causes (S00-T88)
  2. Injuries to the wrist, hand and fingers (S60-S69)
  3. Injury of muscle, fascia and tendon at wrist and hand level (S66)
  4. Injury of extensor muscle, fascia and tendon of thumb at wrist and hand level (S66.2)
  5. Strain of extensor muscle, fascia and tendon of thumb at wrist and hand level (S66.21)

Subcategories