I31.9

Billable

Disease of pericardium, unspecified

Disease of pericardium, unspecified

Status

Billable / Specific

Block

I30-I5A

Parent Code

I31

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Pericarditis (chronic) NOS

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • diseases of pericardium specified as rheumatic (I09.2)
  • postcardiotomy syndrome (I97.0)
  • traumatic injury to pericardium (S26.-)

Excludes 2

Conditions not included here, but the patient may have both

  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • transient cerebral ischemic attacks and related syndromes (G45.-)

Also Known As / Clinical Terms

SNOMED CT

Frequently Asked Questions

What is ICD-10 code I31.9?

ICD-10-CM code I31.9 represents "Disease of pericardium, unspecified". It is a billable/specific code that can be used on a claim.

Is I31.9 a billable code?

Yes, I31.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is I31.9 in?

I31.9 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).

What codes cannot be used with I31.9?

I31.9 has Excludes1 notes indicating codes that cannot be used together with it, including: diseases of pericardium specified as rheumatic (I09.2); postcardiotomy syndrome (I97.0); traumatic injury to pericardium (S26.-).

What SNOMED CT codes does I31.9 map to?

I31.9 maps to 24 SNOMED CT concepts: 771187008, 34791000119103, 23627006, 55855009, 23842007, and 19 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for I31.9?

I31.9 is linked to 2 UMLS Concept Unique Identifiers: C0265143, C0265122. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.