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ICD-10-CM 2027 diagnosis code

K6A.0Pelvic abscess

Not billable — use a more specific codeNew for 2027

K6A.0 is a header code, so it can't be reported by itself. Choose one of the 2 more specific codes beneath it.

Code last changed in FY2027 (effective October 1, 2026). Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About K6A.0

K6A.0 is the ICD-10-CM diagnosis code for pelvic abscess. It belongs to category K6A (diseases of the pelvis, not elsewhere classified), block K65-K6A (diseases of peritoneum, retroperitoneum and pelvis) and chapter 11 (diseases of the digestive system). It is a header code, so it can't be reported by itself; one of its 2 subcodes must be used instead.

Within K6A (diseases of the pelvis, not elsewhere classified), K6A.0 is specifically for pelvic abscess. Related codes cover other diseases of the pelvis, not elsewhere classified (K6A.8).

To report this condition, pick the subcode that matches the documentation: K6A.01 (abscess) and K6A.09 (abscess).

The conditions in its Excludes2 note aren't part of K6A.0, but may be coded alongside it if the patient has both: peritoneal abscess (K65.1) and retroperitoneal abscess (K68.1-).

Use an additional code (B95-B97), to identify infectious agent, if known.

It was added in FY2027, effective October 1, 2026.

Specific codes under K6A.0

Coding notes

Excludes2Not included here — may be reported together if both conditions exist
  • peritoneal abscess (K65.1)
  • retroperitoneal abscess (K68.1-)
Use additional codeAdd a secondary code to fully describe the condition
  • code (B95-B97), to identify infectious agent, if known
Code alsoTwo codes may be needed; sequencing depends on circumstances
  • , if applicable:
  • diverticular disease of intestine (K57.-)
  • female pelvic inflammatory disease (N73.-)

Notes that apply from higher levels

Instructions written at a parent level also apply to K6A.0.

Broader instructions also apply from Chapter 11: Diseases of the digestive system.

Codes whose notes reference K6A.0

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2027 (effective 10/1/2026): Added

Common questions about K6A.0

Is K6A.0 billable?

No. K6A.0 is a header code. Report one of its more specific subcodes instead.

Did K6A.0 change for 2027?

Yes. For FY2027 (effective October 1, 2026) it was added to the code set.