ICDcodes.org
FY2027

S40.229SBlister (nonthermal) of unspecified shoulder, sequela

BillableUnspecified

Is S40.229S billable?

Yes, but S40.229S is an unspecified code. S40.229S is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, S40.229S is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting S40.229S — the more specific alternatives are listed below.

S40.229S at a glance

CodeS40.229S
DescriptionBlister (nonthermal) of unspecified shoulder, 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 S40.229S?

In S40.229S, the 7th character S means sequela. The 7th character is required for S40.229S to be a valid, complete code.

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

Which MS-DRGs does S40.229S group to?

S40.229S sits in MDC 09 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.

  • 604Trauma to the Skin, Subcutaneous Tissue and Breast with MCCmedical
  • 605Trauma to the Skin, Subcutaneous Tissue and Breast without MCCmedical

How is S40.229S listed in the Alphabetic Index?

The Alphabetic Index lists these routes under S40.22, the nearest indexed parent of S40.229S. Use them to find the family, then select the specific code.

  • Blistershoulder (nonthermal)

Use additional code — inherited from Chapter 19

Report an additional code alongside S40.229S to fully describe the condition. S40.229S 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 S40.229S, but a patient may have both at the same time. When documentation supports it, S40.229S and the excluded code may both be reported.

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

Excludes2 — not included here — inherited from S40-S49

The conditions below are not part of S40.229S, but a patient may have both at the same time. When documentation supports it, S40.229S and the excluded code may both be reported.

  • burns and corrosions (T20-T32)
  • frostbite (T33-T34)
  • injuries of elbow (S50-S59)
  • insect bite or sting, venomous (T63.4)

How long has S40.229S existed?

S40.229S 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.