Is K66.0 a billable ICD-10-CM code?

Yes. K66.0 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does K66.0 sit in the tabular list?

Diseases of the digestive system (K00-K95), in the block Diseases of peritoneum and retroperitoneum (K65-K68).

What cannot be coded together with K66.0?

K66.0 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

K66.0

K66.0 — Peritoneal adhesions (postprocedural) (postinfection)

Billable / specific codeICD-10-CM

K66.0 is a billable, specific ICD-10-CM code for peritoneal adhesions (postprocedural) (postinfection). It is valid for submission on a claim.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

peritoneal adhesions with intestinal obstruction (K56.5-)

Excludes2 — not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

female pelvic adhesions [bands] (N73.6)
female pelvic postprocedural adhesions (N99.4)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Adhesions (of) abdominal (wall)
Adhesions (of) diaphragm
Adhesions (of) intestine
Adhesions (of) male pelvis
Adhesions (of) omentum
Adhesions (of) stomach
Adhesive bands
Mesenteric adhesions

Risk adjustment

K66.0 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

K66.0 is named in 1 Medicare coverage policy — 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A56421Billing and Coding: CT of the Abdomen and Pelvis

How K66.0 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to K66.0.

Adhesions, adhesive(postinfective)
Adhesions, adhesive›peritoneum, peritoneal(postinfective)
Adhesions, adhesive›postoperative(gastrointestinal tract)
Adhesions, adhesive›peritoneum, peritoneal›postprocedural

Related codes at this level

Codes that share K66. If K66.0 is not quite right, the correct code is usually one of these.

Questions about K66.0

Is K66.0 a billable ICD-10-CM code?: Yes. K66.0 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does K66.0 sit in the tabular list?: Diseases of the digestive system (K00-K95), in the block Diseases of peritoneum and retroperitoneum (K65-K68).
What cannot be coded together with K66.0?: K66.0 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.