ICDcodes.org
FY2027

M62.439Contracture of muscle, unspecified forearm

BillableUnspecified

Is M62.439 billable?

Yes, but M62.439 is an unspecified code. M62.439 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, M62.439 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting M62.439 — the more specific alternatives are listed below.

M62.439 at a glance

CodeM62.439
DescriptionContracture of muscle, unspecified forearm
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Which MS-DRGs does M62.439 group to?

M62.439 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.

  • 555Signs and Symptoms of Musculoskeletal System and Connective Tissue with MCCmedical
  • 556Signs and Symptoms of Musculoskeletal System and Connective Tissue without MCCmedical

How is M62.439 listed in the Alphabetic Index?

The Alphabetic Index lists these routes under M62.43, the nearest indexed parent of M62.439. Use them to find the family, then select the specific code.

  • Contraction, contracture, contractedmuscleNECforearm (s)
  • Contraction, contracture, contractedtendonforearm (s)

Excludes1 — never code together — inherited from M60-M63

The conditions below can never be reported together with M62.439 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 M62

The conditions below can never be reported together with M62.439 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

Excludes1 — never code together — inherited from M62.4

The conditions below can never be reported together with M62.439 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

Excludes2 — not included here — inherited from Chapter 13

The conditions below are not part of M62.439, but a patient may have both at the same time. When documentation supports it, M62.439 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 M62.439, but a patient may have both at the same time. When documentation supports it, M62.439 and the excluded code may both be reported.

  • muscular dystrophies and myopathies (G71-G72)

Excludes2 — not included here — inherited from M62

The conditions below are not part of M62.439, but a patient may have both at the same time. When documentation supports it, M62.439 and the excluded code may both be reported.

  • nontraumatic hematoma of muscle (M79.81)

How long has M62.439 existed?

M62.439 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 M62.43 family? (2)