M35.0 – Sjogren syndrome

ICD-10-CM 2027 diagnosis code · Systemic connective tissue disorders

Non-billable header

ICD-10-CM code M35.0

Code: M35.0 (claims format: M350)
Description: Sjogren syndrome
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
Block: M30-M36 Systemic connective tissue disorders
Parent codes: M35

Billable codes under M35.0

M35.0 is a header code and cannot be used on claims. Choose the most specific code:

M35.00 – Sjogren syndrome, unspecifiedBillable
M35.01 – Sjogren syndrome with keratoconjunctivitisBillable
M35.02 – Sjogren syndrome with lung involvementBillable
M35.03 – Sjogren syndrome with myopathyBillable
M35.04 – Sjogren syndrome with tubulo-interstitial nephropathyBillable
M35.05 – Sjogren syndrome with inflammatory arthritisBillable
M35.06 – Sjogren syndrome with peripheral nervous system involvementBillable
M35.07 – Sjogren syndrome with central nervous system involvementBillable
M35.08 – Sjogren syndrome with gastrointestinal involvementBillable
M35.0A – Sjogren syndrome with glomerular diseaseBillable
M35.0B – Sjogren syndrome with vasculitisBillable
M35.0C – Sjogren syndrome with dental involvementBillable
M35.09 – Sjogren syndrome with other organ involvementBillable

Notes for M35.0

Applicable to:

Sicca syndrome

Excludes1 (not coded here):

dry mouth, unspecified (R68.2)

Use additional code:

code to identify associated manifestations

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

M35 – Other systemic involvement of connective tissue

Excludes1 (not coded here):

reactive perforating collagenosis (L87.1)

Block M30-M36

Includes:

autoimmune disease NOS
collagen (vascular) disease NOS
systemic autoimmune disease
systemic collagen (vascular) disease

Excludes1 (not coded here):

autoimmune disease, single organ or single cell-type -code to relevant condition category

Index terms for M35.0

Entries in the ICD-10-CM alphabetic index that lead to this code:

Keratoconjunctivitis, sicca

Related codes in M35

M35.1 – Other overlap syndromesBillable
M35.2 – Behcet's diseaseBillable
M35.3 – Polymyalgia rheumaticaBillable
M35.4 – Diffuse (eosinophilic) fasciitisBillable
M35.5 – Multifocal fibrosclerosisBillable
M35.6 – Relapsing panniculitis [Weber-Christian]Billable
M35.7 – Hypermobility syndromeBillable
M35.8 – Other specified systemic involvement of connective tissueHeader
M35.9 – Systemic involvement of connective tissue, unspecifiedBillable

Frequently asked questions

What is ICD-10 code M35.0?

M35.0 is the ICD-10-CM code for sjogren syndrome, in the block M30-M36 (Systemic connective tissue disorders).

Is M35.0 a billable code?

No. M35.0 is a header code with more specific child codes; report one of the billable codes listed above.

What category does M35.0 belong to?

It belongs to category M35 – Other systemic involvement of connective tissue.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.