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S66.2

Non-billable

Injury of extensor musc/fasc/tend thumb at wrs/hnd lv

Injury of extensor muscle, fascia and tendon of thumb at wrist and hand level

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

S60-S69

Parent Code

S66

Child Codes

4

Coding Notes

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

Excludes 2

Conditions not included here, but the patient may have both

  • burns and corrosions (T20-T32)
  • frostbite (T33-T34)
  • insect bite or sting, venomous (T63.4)
  • sprain of joints and ligaments of wrist and hand (S63.-)

Use Additional Code

Additional codes that should follow this code

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

Code Also

A second code may be required; sequencing depends on circumstances

  • any associated open wound (S61.-)

Child Codes (4)

S66.20

Unsp injury of extensor musc/fasc/tend thumb at wrs/hnd lv

S66.21

Strain of extensor musc/fasc/tend thumb at wrs/hnd lv

S66.22

Laceration of extensor musc/fasc/tend thumb at wrs/hnd lv

S66.29

Inj extensor musc/fasc/tend thumb at wrist and hand level

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code S66.2?

ICD-10-CM code S66.2 represents "Injury of extensor muscle, fascia and tendon of thumb at wrist and hand level". It is a non-billable header code — use a more specific child code for billing purposes.

Is S66.2 a billable code?

No, S66.2 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under S66.2.

What chapter is S66.2 in?

S66.2 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).

What codes cannot be used with S66.2?

S66.2 has Excludes1 notes indicating codes that cannot be used together with it, including: birth trauma (P10-P15); obstetric trauma (O70-O71).

What are the subcategories under S66.2?

S66.2 has 4 child codes, including: S66.20 (Unsp injury of extensor musc/fasc/tend thumb at wrs/hnd lv), S66.21 (Strain of extensor musc/fasc/tend thumb at wrs/hnd lv), S66.22 (Laceration of extensor musc/fasc/tend thumb at wrs/hnd lv), S66.29 (Inj extensor musc/fasc/tend thumb at wrist and hand level).

Are additional codes required with S66.2?

Yes, when using S66.2 you should also code: code to identify any retained foreign body, if applicable (Z18.-).

What are the UMLS CUIs for S66.2?

S66.2 is linked to 1 UMLS Concept Unique Identifier: C2855183. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.