ICDcodes.org
FY2027

M63.841Disorders of muscle in diseases classified elsewhere, right hand

Billable

Is M63.841 billable?

Yes — M63.841 is billable for FY2027. M63.841 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. M63.841 may be submitted for encounters from October 1, 2026 through September 30, 2027.

M63.841 at a glance

CodeM63.841
DescriptionDisorders of muscle in diseases classified elsewhere, right hand
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

What Medicare edits apply to M63.841?

The Medicare Code Editor screens inpatient claims before they are grouped. These edits name M63.841 directly.

Manifestation code — never sequenced first — MCE edit 6

This code describes a manifestation of an underlying disease. The underlying condition must be sequenced before it, so it can never be the principal or first-listed diagnosis.

Which MS-DRGs does M63.841 group to?

M63.841 sits in MDC 08 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 557Tendonitis, Myositis and Bursitis with MCCmedical
  • 558Tendonitis, Myositis and Bursitis without MCCmedical

How is M63.841 listed in the Alphabetic Index?

The Alphabetic Index lists these routes under M63.84, the nearest indexed parent of M63.841. Use them to find the family, then select the specific code.

  • Leprosywith muscle disorderhand
  • Schistosomiasiswith muscle disorderhand
  • Trichinellosis, trichiniasis, trichinelliasis, trichinosiswith muscle disorderhand

Excludes1 — never code together — inherited from M60-M63

The conditions below can never be reported together with M63.841 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • dermatopolymyositis (M33.-)
  • myopathy in amyloidosis (E85.-)
  • myopathy in polyarteritis nodosa (M30.0)
  • myopathy in rheumatoid arthritis (M05.32)
  • myopathy in scleroderma (M34.-)
  • myopathy in Sjögren's syndrome (M35.03)
  • myopathy in systemic lupus erythematosus (M32.-)

Excludes1 — never code together — inherited from M63

The conditions below can never be reported together with M63.841 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • myopathy in cysticercosis (B69.81)
  • myopathy in endocrine diseases (G73.7)
  • myopathy in metabolic diseases (G73.7)
  • myopathy in sarcoidosis (D86.87)
  • myopathy in secondary syphilis (A51.49)
  • myopathy in syphilis (late) (A52.78)
  • myopathy in toxoplasmosis (B58.82)
  • myopathy in tuberculosis (A18.09)

Code first — inherited from M63

The underlying condition below must be sequenced before M63.841. M63.841 describes a manifestation and cannot be the principal or first-listed diagnosis.

Excludes2 — not included here — inherited from Chapter 13

The conditions below are not part of M63.841, but a patient may have both at the same time. When documentation supports it, M63.841 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)

Excludes2 — not included here — inherited from M60-M63

The conditions below are not part of M63.841, but a patient may have both at the same time. When documentation supports it, M63.841 and the excluded code may both be reported.

  • muscular dystrophies and myopathies (G71-G72)

How long has M63.841 existed?

M63.841 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.

What other codes are in the M63.84 family? (2)