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S63.630 vs S63.631

S63.630 (Sprain of interphalangeal joint of right index finger) compared with S63.631 (Sprain of interphalangeal joint of left index finger), from the official CMS tabular data. S63.630 and S63.631 code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

S63.630
Right
Sprain of interphalangeal joint of right index finger
S63.631
Left
Sprain of interphalangeal joint of left index finger

Same condition; these differ only in which side is documented.

These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.

Source: ICD-10-CM tabular list (laterality variant derived from the code title)

Can these codes be reported together?

Same condition, opposite side. S63.630 and S63.631 name the same condition on opposite sides of the body.

Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.

Side by side

S63.630Sprain of interphalangeal joint of right index fingerS63.631Sprain of interphalangeal joint of left index finger
Billing statusNon-billable header

Report instead: S63.630A, S63.630D, S63.630S

Non-billable header

Report instead: S63.631A, S63.631D, S63.631S

ClassificationS00-T88 — Injury, poisoning and certain other consequences of external causesS00-T88 — Injury, poisoning and certain other consequences of external causes
DefinitionSprain of interphalangeal joint of right index finger is a non-billable ICD-10-CM category code (S63.630).Sprain of interphalangeal joint of left index finger is a non-billable ICD-10-CM category code (S63.631).
7th characterThe appropriate 7th character is to be added to each code from category S63The appropriate 7th character is to be added to each code from category S63
Includes
avulsion of joint or ligament at wrist and hand level
laceration of cartilage, joint or ligament at wrist and hand level
sprain of cartilage, joint or ligament at wrist and hand level
traumatic hemarthrosis of joint or ligament at wrist and hand level
avulsion of joint or ligament at wrist and hand level
laceration of cartilage, joint or ligament at wrist and hand level
sprain of cartilage, joint or ligament at wrist and hand level
traumatic hemarthrosis of joint or ligament at wrist and hand level

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources