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ICD-10-CM · FY 2026 APRIL UPDATE

S63.12

Subluxation and dislocation of interphalangeal joint of thumb

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
S63.121Subluxation of interphalangeal joint of right thumbCategory
S63.121ASubluxation of interphalangeal joint of right thumb, initial encounterBillable
S63.121DSubluxation of interphalangeal joint of right thumb, subsequent encounterBillable
S63.121SSubluxation of interphalangeal joint of right thumb, sequelaBillable
S63.122Subluxation of interphalangeal joint of left thumbCategory
S63.122ASubluxation of interphalangeal joint of left thumb, initial encounterBillable
S63.122DSubluxation of interphalangeal joint of left thumb, subsequent encounterBillable
S63.122SSubluxation of interphalangeal joint of left thumb, sequelaBillable
S63.123Subluxation of interphalangeal joint of unspecified thumbCategory
S63.123ASubluxation of interphalangeal joint of unspecified thumb, initial encounterBillable
S63.123DSubluxation of interphalangeal joint of unspecified thumb, subsequent encounterBillable
S63.123SSubluxation of interphalangeal joint of unspecified thumb, sequelaBillable
S63.124Dislocation of interphalangeal joint of right thumbCategory
S63.124ADislocation of interphalangeal joint of right thumb, initial encounterBillable
S63.124DDislocation of interphalangeal joint of right thumb, subsequent encounterBillable
S63.124SDislocation of interphalangeal joint of right thumb, sequelaBillable
S63.125Dislocation of interphalangeal joint of left thumbCategory
S63.125ADislocation of interphalangeal joint of left thumb, initial encounterBillable
S63.125DDislocation of interphalangeal joint of left thumb, subsequent encounterBillable
S63.125SDislocation of interphalangeal joint of left thumb, sequelaBillable
S63.126Dislocation of interphalangeal joint of unspecified thumbCategory
S63.126ADislocation of interphalangeal joint of unspecified thumb, initial encounterBillable
S63.126DDislocation of interphalangeal joint of unspecified thumb, subsequent encounterBillable
S63.126SDislocation of interphalangeal joint of unspecified thumb, sequelaBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.