ICDcodes.org
FY2027

S36.539ALaceration of unspecified part of colon, initial encounter

BillableUnspecifiedCC

Is S36.539A billable?

Yes, but S36.539A is an unspecified code. S36.539A is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, S36.539A 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 S36.539A — the more specific alternatives are listed below.

S36.539A at a glance

CodeS36.539A
DescriptionLaceration of unspecified part of colon, initial encounter
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027
7th character "A"initial encounter

What does the 7th character "A" mean in S36.539A?

In S36.539A, the 7th character A means initial encounter. The 7th character is required for S36.539A to be a valid, complete code.

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

Which MS-DRGs does S36.539A group to?

S36.539A 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.

  • 393Other Digestive System Diagnoses with MCCmedical
  • 394Other Digestive System Diagnoses with CCmedical
  • 395Other Digestive System Diagnoses without CC/MCCmedical

As a secondary diagnosis, S36.539A is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.

How is S36.539A listed in the Alphabetic Index?

The Alphabetic Index lists these routes under S36.539, the nearest indexed parent of S36.539A. Use them to find the family, then select the specific code.

  • Injuryintestinelargelaceration
  • Lacerationintestinelargecolon

Use additional code — inherited from Chapter 19

Report an additional code alongside S36.539A to fully describe the condition. S36.539A 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 S36.539A, but a patient may have both at the same time. When documentation supports it, S36.539A and the excluded code may both be reported.

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

Excludes2 — not included here — inherited from S30-S39

The conditions below are not part of S36.539A, but a patient may have both at the same time. When documentation supports it, S36.539A and the excluded code may both be reported.

  • burns and corrosions (T20-T32)
  • effects of foreign body in anus and rectum (T18.5)
  • effects of foreign body in genitourinary tract (T19.-)
  • effects of foreign body in stomach, small intestine and colon (T18.2-T18.4)
  • frostbite (T33-T34)
  • insect bite or sting, venomous (T63.4)

Excludes2 — not included here — inherited from S36.5

The conditions below are not part of S36.539A, but a patient may have both at the same time. When documentation supports it, S36.539A and the excluded code may both be reported.

Code also — inherited from S36

Two codes may be needed to describe the condition fully. Whether S36.539A is sequenced first depends on the reason for the encounter.

  • any associated open wound (S31.-)

How long has S36.539A existed?

S36.539A 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.