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ICD-10-CM · FY 2026 APRIL UPDATE

S21.21

Laceration without foreign body of back wall of thorax without penetration into thoracic cavity

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
S21.211Laceration without foreign body of right back wall of thorax without penetration into thoracic cavityCategory
S21.211ALaceration without foreign body of right back wall of thorax without penetration into thoracic cavity, initial encounterBillable
S21.211DLaceration without foreign body of right back wall of thorax without penetration into thoracic cavity, subsequent encounterBillable
S21.211SLaceration without foreign body of right back wall of thorax without penetration into thoracic cavity, sequelaBillable
S21.212Laceration without foreign body of left back wall of thorax without penetration into thoracic cavityCategory
S21.212ALaceration without foreign body of left back wall of thorax without penetration into thoracic cavity, initial encounterBillable
S21.212DLaceration without foreign body of left back wall of thorax without penetration into thoracic cavity, subsequent encounterBillable
S21.212SLaceration without foreign body of left back wall of thorax without penetration into thoracic cavity, sequelaBillable
S21.219Laceration without foreign body of unspecified back wall of thorax without penetration into thoracic cavityCategory
S21.219ALaceration without foreign body of unspecified back wall of thorax without penetration into thoracic cavity, initial encounterBillable
S21.219DLaceration without foreign body of unspecified back wall of thorax without penetration into thoracic cavity, subsequent encounterBillable
S21.219SLaceration without foreign body of unspecified back wall of thorax without penetration into thoracic cavity, 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.