Neurology Book


Cerebrospinal Fluid Color

Aka: Cerebrospinal Fluid Color, CSF Color
  1. See Also
    1. Cerebrospinal Fluid
    2. Lumbar Puncture
  2. Interpretation: Normal
    1. Clear as water
  3. Interpretation: Abnormal findings
    1. Faint yellow, orange or pink (Xanthochromia)
      1. CSF Protein >100 mg/dl
      2. Red Blood Cell lysis
      3. Red Blood Cell >100,000/mm3 (Subarachnoid Hemorrhage)
    2. Cloudy or turbid
      1. CSF Leukocytes > 200 wbc/mm3
      2. Red Blood Cells > 400 per mm3
    3. Brown or Dark CSF
      1. Metastatic Melanoma (meningeal Melanomatosis)
      2. Jaundice (Hyperbilirubinemia)
    4. Green CSF
      1. Hyperbilirubinemia
      2. Purulent cerebrospinal fluid
  4. References
    1. Kooiker in Roberts (1998) Procedures in ER, p. 1067-75
    2. Ravel (1995) Lab Medicine, Mosby, p. 294-9
    3. Tunkel in Mandell (2000) Infectious Disease, p. 974-8
    4. Seehusen (2003) Am Fam Physician 68:1103-8 [PubMed]

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