ICDcodes.org
FY2027

S63.635 — Sprain of interphalangeal joint of left ring finger

Not billable

Is S63.635 billable?

No — S63.635 is a non-billable header code. S63.635 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 3 billable codes beneath S63.635.

S63.635 at a glance

CodeS63.635
DescriptionSprain of interphalangeal joint of left ring finger
BillableNo — header code
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

How is S63.635 listed in the Alphabetic Index?

The Alphabetic Index lists these routes under S63.63, the nearest indexed parent of S63.635. Use them to find the family, then select the specific code.

  • Sprain › finger › interphalangeal (joint) (ligament)
  • Sprain › finger › interphalangeal › index (joint) (ligament)
  • Sprain › finger › interphalangeal › little (joint) (ligament)
  • Sprain › finger › interphalangeal › middle (joint) (ligament)
  • Sprain › finger › interphalangeal › ring (joint) (ligament)

Excludes1 — never code together — inherited from S63.6

The conditions below can never be reported together with S63.635 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • traumatic rupture of ligament of finger at metacarpophalangeal and interphalangeal joint(s) (S63.4-)

Use additional code — inherited from Chapter 19

Report an additional code alongside S63.635 to fully describe the condition. S63.635 is sequenced first.

  • code to identify any retained foreign body, if applicable (Z18.-)

Excludes2 — not included here — inherited from Chapter 19

The conditions below are not part of S63.635, but a patient may have both at the same time. When documentation supports it, S63.635 and the excluded code may both be reported.

  • birth trauma (P10-P15)
  • obstetric trauma (O70-O71)

Excludes2 — not included here — inherited from S60-S69

The conditions below are not part of S63.635, but a patient may have both at the same time. When documentation supports it, S63.635 and the excluded code may both be reported.

  • burns and corrosions (T20-T32)
  • frostbite (T33-T34)
  • insect bite or sting, venomous (T63.4)

Excludes2 — not included here — inherited from S63

The conditions below are not part of S63.635, but a patient may have both at the same time. When documentation supports it, S63.635 and the excluded code may both be reported.

  • strain of muscle, fascia and tendon of wrist and hand (S66.-)

Code also — inherited from S63

Two codes may be needed to describe the condition fully. Whether S63.635 is sequenced first depends on the reason for the encounter.

  • any associated open wound

What codes fall under S63.635? (3)

How long has S63.635 existed?

S63.635 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

What other codes are in the S63.63 family? (9)