S90.52 — Blister (nonthermal) of ankle

Not billable

Is S90.52 billable?

No — S90.52 is a non-billable header code. S90.52 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 9 billable codes beneath S90.52.

Billable codes under this header

S90.52 at a glance

Code	S90.52
Description	Blister (nonthermal) of ankle
Billable	No — header code
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

How is S90.52 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to S90.52. They show the wording a clinician may have documented, which often differs from the Tabular description.

Blister › ankle (nonthermal)

Use additional code — inherited from Chapter 19

Report an additional code alongside S90.52 to fully describe the condition. S90.52 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 S90.52, but a patient may have both at the same time. When documentation supports it, S90.52 and the excluded code may both be reported.

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

Excludes2 — not included here — inherited from S90-S99

The conditions below are not part of S90.52, but a patient may have both at the same time. When documentation supports it, S90.52 and the excluded code may both be reported.

burns and corrosions (T20-T32)
fracture of ankle and malleolus (S82.-)
frostbite (T33-T34)
insect bite or sting, venomous (T63.4)

What codes fall under S90.52? (3)

How long has S90.52 existed?

S90.52 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.