S27.818A — Other injury of esophagus (thoracic part), initial encounter
Is S27.818A billable?
Yes — S27.818A is billable for FY2027. S27.818A is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. S27.818A may be submitted for encounters from October 1, 2026 through September 30, 2027.
S27.818A at a glance
| Code | S27.818A |
|---|---|
| Description | Other injury of esophagus (thoracic part), initial encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "A" | initial encounter |
What does the 7th character "A" mean in S27.818A?
In S27.818A, the 7th character A means initial encounter. The 7th character is required for S27.818A to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S27.818A group to?
S27.818A sits in MDC 06 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 368Major Esophageal Disorders with MCCmedical
- 369Major Esophageal Disorders with CCmedical
- 370Major Esophageal Disorders without CC/MCCmedical
As a secondary diagnosis, S27.818A is a major complication or comorbidity (MCC), which can move a stay into a higher-paying DRG.
How is S27.818A listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S27.818, the nearest indexed parent of S27.818A. Use them to find the family, then select the specific code.
- Abrasion › esophagus
- Puncture › esophagus › thoracic
- Wound, open › esophagus › specified type NEC
- Injury › intrathoracic › esophagus › specified type NEC
Use additional code — inherited from Chapter 19
Report an additional code alongside S27.818A to fully describe the condition. S27.818A 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 S27.818A, but a patient may have both at the same time. When documentation supports it, S27.818A and the excluded code may both be reported.
Excludes2 — not included here — inherited from S20-S29
The conditions below are not part of S27.818A, but a patient may have both at the same time. When documentation supports it, S27.818A 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 S27
The conditions below are not part of S27.818A, but a patient may have both at the same time. When documentation supports it, S27.818A and the excluded code may both be reported.
Code also — inherited from S27
Two codes may be needed to describe the condition fully. Whether S27.818A is sequenced first depends on the reason for the encounter.
- any associated open wound of thorax (S21.-)
How long has S27.818A existed?
S27.818A 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.