S66.1
Non-billableInj flexor musc/fasc/tend and unsp finger at wrs/hnd lv
Injury of flexor muscle, fascia and tendon of other and unspecified finger at wrist and hand level
This is a header/category code. For billing purposes, use a more specific child code from the list below.
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
Use Additional Code
Additional codes that should follow this code
Code Also
A second code may be required; sequencing depends on circumstances
Child Codes (4)
Related Codes(7)
S66.0Injury of long flexor musc/fasc/tend thumb at wrs/hnd lv
S66.2Injury of extensor musc/fasc/tend thumb at wrs/hnd lv
S66.3Inj extensor musc/fasc/tend and unsp finger at wrs/hnd lv
S66.4Injury of intrinsic musc/fasc/tend thumb at wrs/hnd lv
S66.5Inj intrinsic musc/fasc/tend and unsp finger at wrs/hnd lv
S66.8Injury of musc/fasc/tend at wrist and hand level
S66.9Injury of unsp musc/fasc/tend at wrist and hand level
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(2)
Frequently Asked Questions
What is the ICD-10 code for inj flexor musc/fasc/tend and unsp finger at wrs/hnd lv?
The ICD-10-CM code for inj flexor musc/fasc/tend and unsp finger at wrs/hnd lv is S66.1. The full clinical description is "Injury of flexor muscle, fascia and tendon of other and unspecified finger at wrist and hand level". S66.1 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code S66.1 mean?
ICD-10-CM code S66.1 represents “Injury of flexor muscle, fascia and tendon of other and unspecified finger at wrist and hand level”. It is classified under Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes and is a non-billable header code. Use a more specific child code for billing purposes.
Is S66.1 a billable code?
No, S66.1 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 S66.1.
What chapter is S66.1 in?
S66.1 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).
What codes cannot be used with S66.1?
S66.1 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 S66.1?
S66.1 has 4 child codes, including: S66.10 (Unsp inj flexor musc/fasc/tend and unsp finger at wrs/hnd lv), S66.11 (Strain flexor musc/fasc/tend and unsp finger at wrs/hnd lv), S66.12 (Lacerat flexor musc/fasc/tend and unsp finger at wrs/hnd lv), S66.19 (Inj flexor musc/fasc/tend and unsp finger at wrs/hnd lv).
Are additional codes required with S66.1?
Yes, when using S66.1, also report: any retained foreign body, if applicable (Z18.-).
What are the UMLS CUIs for S66.1?
S66.1 is linked to 1 UMLS Concept Unique Identifier: C2855014. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does S66.1 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like inj flexor musc/fasc/tend and unsp finger at wrs/hnd lv affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of S66.1?
S66.1 maps to the ICD-11 code: NC57.1Z (Injury of flexor muscle, fascia or tendon of other finger at wrist or hand level, unspecified).
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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.