ICD-9-CM Official Guidelines for Coding and Reporting - Office of ...

This code may be assigned as the principal or firstlisted
code when the stated reason for the
admission/encounter is documented as pain control/pain
management. The underlying neoplasm should be
reported as an additional diagnosis.
When the reason for the admission/encounter is
management of the neoplasm and the pain associated
with the neoplasm is also documented, code 338.3 may
be assigned as an additional diagnosis.
See Section I.C.2 for instructions on the sequencing of
neoplasms for all other stated reasons for the
admission/encounter (except for pain control/pain
management).
6) Chronic pain syndrome
This condition is different than the term “chronic pain,”
and therefore this code should only be used when the
provider has specifically documented this condition.
7. Chapter 7: Diseases of Circulatory System (390-459)
a. Hypertension
Hypertension Table
The Hypertension Table, found under the main term, “Hypertension”,
in the Alphabetic Index, contains a complete listing of all conditions
due to or associated with hypertension and classifies them according to
malignant, benign, and unspecified.
1) Hypertension, Essential, or NOS
Assign hypertension (arterial) (essential) (primary) (systemic)
(NOS) to category code 401 with the appropriate fourth digit to
indicate malignant (.0), benign (.1), or unspecified (.9). Do not
use either .0 malignant or .1 benign unless medical record
documentation supports such a designation.
2) Hypertension with Heart Disease
Heart conditions (425.8, 429.0-429.3, 429.8, 429.9) are
assigned to a code from category 402 when a causal
relationship is stated (due to hypertension) or implied
(hypertensive). Use an additional code from category 428 to
identify the type of heart failure in those patients with heart
failure. More than one code from category 428 may be
ICD-9-CM Official Guidelines for Coding and Reporting
Effective October 1, 2008
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