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S63.650A vs S63.651A

S63.650A (Sprain of metacarpophalangeal joint of right index finger, initial encounter) compared with S63.651A (Sprain of metacarpophalangeal joint of left index finger, initial encounter), from the official CMS tabular data. S63.650A and S63.651A code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

S63.650A
Right
Sprain of metacarpophalangeal joint of right index finger, initial encounter
S63.651A
Left
Sprain of metacarpophalangeal joint of left index finger, initial encounter

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. S63.650A and S63.651A 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

S63.650ASprain of metacarpophalangeal joint of right index finger, initial encounterS63.651ASprain of metacarpophalangeal joint of left index finger, initial encounter
Billing statusBillableBillable
ClassificationS00-T88 — Injury, poisoning and certain other consequences of external causesS00-T88 — Injury, poisoning and certain other consequences of external causes
DefinitionSprain of metacarpophalangeal joint of right index finger, initial encounter is a billable ICD-10-CM diagnosis code (S63.650A).Sprain of metacarpophalangeal joint of left index finger, initial encounter is a billable ICD-10-CM diagnosis code (S63.651A).
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