S66.597D
✓ BillableOther injury of intrinsic muscle, fascia and tendon of left little finger at wrist and hand level, subsequent encounter
Injury, poisoning and certain other consequences of external causes (S00-T88)
⚠️ Excludes2
inheritedRules inherited from parent codes.
Clinical Description
ICD-10-CM code S66.597D represents other injury of intrinsic muscle, fascia and tendon of left little finger at wrist and hand level, subsequent encounter. This code falls under the Injury, poisoning and certain other consequences of external causes (S00-T88) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 8-character code at the 7th level of specificity. This is the most specific code available in this subcategory.
Frequently Asked Questions
What is ICD-10 code S66.597D?
ICD-10-CM code S66.597D is "Other injury of intrinsic muscle, fascia and tendon of left little finger at wrist and hand level, subsequent encounter". It belongs to the category: Injury, poisoning and certain other consequences of external causes (S00-T88).
Is S66.597D a billable ICD-10 code?
Yes, S66.597D is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Can S66.597D be coded with other codes?
S66.597D has 2 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in S66.597
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)