M02.3 — Reiter's disease

Not billable

Is M02.3 billable?

No — M02.3 is a non-billable header code. M02.3 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 24 billable codes beneath M02.3.

Billable codes under this header

M02.3 at a glance

Code	M02.3
Description	Reiter's disease
Billable	No — header code
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Inclusion terms

Alternative wording in documentation that is classified to M02.3.

Reactive arthritis

Excludes1 — never code together — inherited from M02

The conditions below can never be reported together with M02.3 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

Behçet's disease (M35.2)
direct infections of joint in infectious and parasitic diseases classified elsewhere (M01.-)
postmeningococcal arthritis (A39.84)
mumps arthritis (B26.85)
rubella arthritis (B06.82)
syphilis arthritis (late) (A52.77)
rheumatic fever (I00)
tabetic arthropathy [Charcôt's] (A52.16)

Code first — inherited from M02

The underlying condition below must be sequenced before M02.3. M02.3 describes a manifestation and cannot be the principal or first-listed diagnosis.

underlying disease, such as:
congenital syphilis [Clutton's joints] (A50.5)
enteritis due to Yersinia enterocolitica (A04.6)
infective endocarditis (I33.0)
viral hepatitis (B15-B19)

Excludes2 — not included here — inherited from Chapter 13

The conditions below are not part of M02.3, but a patient may have both at the same time. When documentation supports it, M02.3 and the excluded code may both be reported.

arthropathic psoriasis (L40.5-)
certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
compartment syndrome (traumatic) (T79.A-)
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)

What codes fall under M02.3? (10)

How long has M02.3 existed?

M02.3 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.