results found in ( seconds)
We are looking for ways to improve. If you have an suggestion for how ICD.Codes could be better, submit your idea!

ICD-10-CM Code M35.9
Systemic involvement of connective tissue, unspecified

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

M35.9 is a billable ICD code used to specify a diagnosis of systemic involvement of connective tissue, unspecified. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code M359 is used to code Autoimmune disease

Autoimmune diseases arise from an abnormal immune response of the body against substances and tissues normally present in the body (autoimmunity). This may be restricted to certain organs (e.g. in autoimmune thyroiditis) or involve a particular tissue in different places (e.g. Goodpasture's disease which may affect the basement membrane in both the lung and the kidney).

Specialty: Rheumatology, Gastroenterology
MeSH Codes: D001327,
ICD 9 Codes: 279.4, 710.9
Source: Wikipedia

Coding Notes for M35.9 Info for medical coders on how to properly use this ICD-10 code

Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive.
Autoimmune disease (systemic) NOS
Collagen (vascular) disease NOS

MS-DRG Mapping

  • DRG Group #545-547 - Connective tissue disorders with MCC.
  • DRG Group #545-547 - Connective tissue disorders with CC.
  • DRG Group #545-547 - Connective tissue disorders without CC or MCC.

Related Concepts SNOMET-CT

  • Autoimmune pancytopenia (disorder)
  • Autoimmune sensorineural hearing loss (disorder)
  • Mixed collagen vascular disease (disorder)

ICD-10-CM Alphabetical Index References for 'M35.9 - Systemic involvement of connective tissue, unspecified'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code M35.9. Click on any term below to browse the alphabetical index.

Dyscollagenosis (M35.9)
Collagenosis, collagen disease(nonvascular) (vascular) (M35.9)


Unspecified diffuse connective tissue disease (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code M35.9 and a single ICD9 code, 710.9 is an approximate match for comparison and conversion purposes.

Parent Code: M35 - Other systemic involvement of connective tissue

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/M359