ICDcodes.org
FY2027

S23.428SOther sprain of sternum, sequela

Billable

Is S23.428S billable?

Yes — S23.428S is billable for FY2027. S23.428S is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. S23.428S may be submitted for encounters from October 1, 2026 through September 30, 2027.

S23.428S at a glance

CodeS23.428S
DescriptionOther sprain of sternum, sequela
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027
7th character "S"sequela

What does the 7th character "S" mean in S23.428S?

In S23.428S, the 7th character S means sequela. The 7th character is required for S23.428S to be a valid, complete code.

Same condition, different episode of care — switch the 7th character:

Which MS-DRGs does S23.428S group to?

S23.428S sits in MDC 08 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 562Fracture, Sprain, Strain and Dislocation Except Femur, Hip, Pelvis and Thigh with MCCmedical
  • 563Fracture, Sprain, Strain and Dislocation Except Femur, Hip, Pelvis and Thigh without MCCmedical

How is S23.428S listed in the Alphabetic Index?

The Alphabetic Index lists these routes under S23.428, the nearest indexed parent of S23.428S. Use them to find the family, then select the specific code.

  • Sprainsternumspecified site NEC (joint) (ligament)

Use additional code — inherited from Chapter 19

Report an additional code alongside S23.428S to fully describe the condition. S23.428S 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 S23.428S, but a patient may have both at the same time. When documentation supports it, S23.428S and the excluded code may both be reported.

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

Excludes2 — not included here — inherited from S20-S29

The conditions below are not part of S23.428S, but a patient may have both at the same time. When documentation supports it, S23.428S and the excluded code may both be reported.

  • burns and corrosions (T20-T32)
  • effects of foreign body in bronchus (T17.5)
  • effects of foreign body in esophagus (T18.1)
  • effects of foreign body in lung (T17.8)
  • effects of foreign body in trachea (T17.4)
  • frostbite (T33-T34)
  • injuries of axilla
  • injuries of clavicle
  • injuries of scapular region
  • injuries of shoulder
  • insect bite or sting, venomous (T63.4)

Excludes2 — not included here — inherited from S23

The conditions below are not part of S23.428S, but a patient may have both at the same time. When documentation supports it, S23.428S and the excluded code may both be reported.

  • dislocation, sprain of sternoclavicular joint (S43.2, S43.6)
  • strain of muscle or tendon of thorax (S29.01-)

Code also — inherited from S23

Two codes may be needed to describe the condition fully. Whether S23.428S is sequenced first depends on the reason for the encounter.

  • any associated open wound

How long has S23.428S existed?

S23.428S 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.