Convert to ICD-10-CM:
510.9 converts approximately to:
- 2015/16 ICD-10-CM J86.9 Pyothorax without fistula
ICD-9-CM Volume 2 Index entries containing back-references to
510.9:
- Abscess (acute) (chronic) (infectional) (lymphangitic) (metastatic) (multiple) (pyogenic) (septic) (with lymphangitis) (see also Cellulitis) 682.9

chest 510.9
peripleuritic 510.9
pleura 510.9
thorax 510.9
- Empyema (chest) (diaphragmatic) (double) (encapsulated) (general) (interlobar) (lung) (medial) (necessitatis) (perforating chest wall) (pleura) (pneumococcal) (residual) (sacculated) (streptococcal) (supradiaphragmatic) 510.9
accessory sinus (chronic) (see also Sinusitis) 473.9
acute 510.9
antrum (chronic) (see also Sinusitis, maxillary) 473.0
brain (any part) (see also Abscess, brain) 324.0
ethmoidal (sinus) (chronic) (see also Sinusitis, ethmoidal) 473.2
extradural (see also Abscess, extradural) 324.9
frontal (sinus) (chronic) (see also Sinusitis, frontal) 473.1
gallbladder (see also Cholecystitis, acute) 575.0
mastoid (process) (acute) (see also Mastoiditis, acute) 383.00
maxilla, maxillary 526.4

sinus (chronic) (see also Sinusitis, maxillary) 473.0
nasal sinus (chronic) (see also Sinusitis) 473.9
sinus (accessory) (nasal) (see also Sinusitis) 473.9
sphenoidal (chronic) (sinus) (see also Sinusitis, sphenoidal) 473.3
subarachnoid (see also Abscess, extradural) 324.9
subdural (see also Abscess, extradural) 324.9
tuberculous (see also Tuberculosis, pleura) 012.0
ureter (see also Ureteritis) 593.89
ventricular (see also Abscess, brain) 324.0
- Pleurisy (acute) (adhesive) (chronic) (costal) (diaphragmatic) (double) (dry) (fetid) (fibrinous) (fibrous) (interlobar) (latent) (lung) (old) (plastic) (primary) (residual) (sicca) (sterile) (subacute) (unresolved) (with adherent pleura) 511.0

fibrinopurulent 510.9
fibropurulent 510.9
purulent 510.9
septic 510.9
seropurulent 510.9
suppurative 510.9
- Pneumopyothorax (see also Pyopneumothorax) 510.9
- Pyopneumothorax (infectional) 510.9
subdiaphragmatic (see also Peritonitis) 567.29
subphrenic (see also Peritonitis) 567.29
tuberculous (see also Tuberculosis, pleura) 012.0
- Pyothorax 510.9
tuberculous (see also Tuberculosis, pleura) 012.0