Limb Pain: Or something else? Differential Diagnosis

Eyes and eye appendages (H00-H59).

  • Keratoconjunctivitis epidemica (KCE) (Thesaurus synonyms: Adenovirus conjunctivitis; “eye flu“; epidemic keratoconjunctivitis; infectious keratoconjunctivitis; keratitis due to adenoviruses; keratoconjunctivitis due to adenoviruses; Sanders syndrome; shipyard keratoconjunctivitis; ICD-10-GM B30. 0: Keratoconjunctivitis due to adenoviruses) – viral disease of the conjunctiva (conjunctiva) and cornea (Latin cornea, Germanized also cornea, Greek keratos) of the eye.

Endocrine, nutritional and metabolic diseases (E00-E90).

  • Acromegaly – hypersecretion of somatotropin (growth hormone) with increase in size of the body end limbs or acra (totality of the outermost, terminal parts of the body (e.g., nose, chin, extremities, esp. fingers and toes)).
  • Hyperparathyroidism (parathyroid hyperfunction).

Factors affecting health status leading to health care utilization (Z00-Z99).

  • Electromagnetic sensitivity (synonyms: electromagnetic hypersensitivity; electromagnetic sensitivity – electrosmog; electrosensitivity).

Cardiovascular system (I00-I99)

  • Embolism – partial or complete occlusion of a vessel by an embolus/entrained material.
  • Peripheral arterial occlusive disease (pAVD) – progressive narrowing or occlusion of the arteries supplying the arms/ (more commonly) legs, usually due to atherosclerosis (arteriosclerosis, hardening of the arteries).
  • Thrombosis – vascular disease in which (intravital) a blood clot (thrombus, blood plug) is formed in a blood vessel.

Infectious and parasitic diseases (A00-B99).

Musculoskeletal system and connective tissue (M00-M99).

  • Osteoarthritis (signs of wear and tear of the joints).
  • Low back pain
  • Sore muscles
  • Back pain
  • Spondyloarthropathies (inflammation of the spine with inflammation of the small vertebral joints).
  • Tendomyopathies (diseases of the ligaments and and muscles).

Neoplasms (C00-D48)

Psyche – nervous system (F00-F99; G00-G99).

  • Neuralgia (nervous diseases)

Genitourinary system (N00-N99)

Further

  • Arm pain (see below arm pain)
  • Elbow pain (see below elbow pain).
  • Calf pain (see below calf pain).
  • Foot pain (see below foot pain)
  • Heel pain (see below heel pain).
  • Leg pain
  • Poor posture of the body (eg, unfavorable workplace conditions).
  • Sports injuries